From 387a6ad24bb378ff739e478d55756551fcc962fd Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 24 Mar 2026 20:02:45 +0000 Subject: [PATCH 1/3] Initial plan From b291e93c1936587d4f8e476cbf643f074741ecb7 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 24 Mar 2026 20:10:58 +0000 Subject: [PATCH 2/3] Fix -Wsign-compare compiler warnings across library files Co-authored-by: blue-jam <9583566+blue-jam@users.noreply.github.com> Agent-Logs-Url: https://github.com/blue-jam/ProconLibrary/sessions/559734cb-2854-4467-a451-5e28b87ffab9 --- datastructure/lazysegtree.hpp | 2 +- geometry/arrangement.hpp | 22 +++++++++++----------- geometry/convexcut.hpp | 4 ++-- geometry/polygon.hpp | 6 +++--- verify/GRL_3_C.test.cpp | 2 +- verify/aoj1279.test.cpp | 4 ++-- verify/src/disco2016qualc.cpp | 6 +++--- 7 files changed, 23 insertions(+), 23 deletions(-) diff --git a/datastructure/lazysegtree.hpp b/datastructure/lazysegtree.hpp index 068509c..f899c4e 100644 --- a/datastructure/lazysegtree.hpp +++ b/datastructure/lazysegtree.hpp @@ -31,7 +31,7 @@ struct LasySegmentTree { dat[k].sum = dat[lch].sum + dat[rch].sum; } void init(vector& v) { - for (int i = 0; i < v.size(); ++i) { + for (int i = 0; i < (int)v.size(); ++i) { dat[i + n - 1].min = dat[i + n - 1].sum = v[i]; dat[i + n - 1].pos = i; } diff --git a/geometry/arrangement.hpp b/geometry/arrangement.hpp index f8634cb..1eb9cb5 100644 --- a/geometry/arrangement.hpp +++ b/geometry/arrangement.hpp @@ -19,18 +19,18 @@ bool merge_if_able(Segment& s, Segment t) { } // オーバーラップをマージする．（破壊的） void merge_segments(vector& ss) { - for (int i = 0; i < ss.size(); ++i) + for (int i = 0; i < (int)ss.size(); ++i) if (lessX(ss[i][1], ss[i][0])) swap(ss[i][1], ss[i][0]); - for (int i = 0; i < ss.size(); ++i) - for (int j = i + 1; j < ss.size(); ++j) + for (int i = 0; i < (int)ss.size(); ++i) + for (int j = i + 1; j < (int)ss.size(); ++j) if (merge_if_able(ss[i], ss[j])) ss[j--] = ss.back(), ss.pop_back(); } Graph segmentArrangement(const vector& ss, vector

& ps) { - for (int i = 0; i < ss.size(); ++i) { + for (int i = 0; i < (int)ss.size(); ++i) { ps.push_back(ss[i][0]); ps.push_back(ss[i][1]); - for (int j = i + 1; j < ss.size(); ++j) { + for (int j = i + 1; j < (int)ss.size(); ++j) { if (intersectSS(ss[i], ss[j])) ps.push_back(crosspointSS(ss[i], ss[j])); } @@ -38,14 +38,14 @@ Graph segmentArrangement(const vector& ss, vector

& ps) { sort(ALL(ps), lessX); ps.erase(unique(ALL(ps), near), ps.end()); Graph g(ps.size()); - for (int i = 0; i < ss.size(); ++i) { + for (int i = 0; i < (int)ss.size(); ++i) { vector> lst; - for (int j = 0; j < ps.size(); ++j) { + for (int j = 0; j < (int)ps.size(); ++j) { if (ccw(ss[i][0], ss[i][1], ps[j]) == 0) lst.push_back(make_pair(norm(ss[i][0] - ps[j]), j)); } sort(ALL(lst)); - for (int j = 0; j + 1 < lst.size(); ++j) { + for (int j = 0; j + 1 < (int)lst.size(); ++j) { int a = lst[j].second, b = lst[j + 1].second; addUndirectedEdge(g, a, b, abs(ps[a] - ps[b])); } @@ -53,14 +53,14 @@ Graph segmentArrangement(const vector& ss, vector

& ps) { return g; } bool walkCW(const Graph& g, int v, int u, vector& lst, const vector

& ps, vector>& used, vector>& res) { - for (int j = 0; j + 1 < lst.size(); ++j) + for (int j = 0; j + 1 < (int)lst.size(); ++j) if (lst[j] == u && lst[j + 1] == v) { Polygon pol; - for (int i = j; i < lst.size() - 1; ++i) pol.push_back(ps[lst[i]]); + for (int i = j; i < (int)lst.size() - 1; ++i) pol.push_back(ps[lst[i]]); double s = area(pol); if (s > eps) { vector v; - for (int i = j; i < lst.size() - 1; ++i) { + for (int i = j; i < (int)lst.size() - 1; ++i) { used[lst[i]][lst[(i + 1) % lst.size()]] = true; v.push_back(lst[i]); } diff --git a/geometry/convexcut.hpp b/geometry/convexcut.hpp index 7a32ccc..949db97 100644 --- a/geometry/convexcut.hpp +++ b/geometry/convexcut.hpp @@ -32,7 +32,7 @@ // 左側切除 Polygon convex_cut(const Polygon& p, const Line& l) { Polygon res; - for (int i = 0; i < p.size(); ++i) { + for (int i = 0; i < (int)p.size(); ++i) { P a = curr(p, i), b = next(p, i); Line tl = Line(a, b); if (ccw(l[0], l[1], a) != -1) res.push_back(a); @@ -45,7 +45,7 @@ Polygon convex_cut(const Polygon& p, const Line& l) { // TODO:O(n+m)にする Polygon convex_intersect(const Polygon& a, const Polygon& b) { Polygon res = a; - for (int i = 0; i < b.size(); ++i) { + for (int i = 0; i < (int)b.size(); ++i) { res = convex_cut(res, Line(curr(b, i), next(b, i))); } return res; diff --git a/geometry/polygon.hpp b/geometry/polygon.hpp index 3cb6aca..d782e28 100644 --- a/geometry/polygon.hpp +++ b/geometry/polygon.hpp @@ -5,12 +5,12 @@ // 依存: geometry double area(Polygon& p) { double a = 0; - for (int i = 0; i < p.size(); ++i) + for (int i = 0; i < (int)p.size(); ++i) a += cross(curr(p, i), next(p, i)); return a / 2.0; } bool convex(Polygon& p) { - for (int i = 0; i < p.size(); ++i) { + for (int i = 0; i < (int)p.size(); ++i) { if (ccw(curr(p, i), next(p, i), next(p, i + 1)) == -1) return false; } @@ -21,7 +21,7 @@ enum { OUT, IN }; int contains(const Polygon& p, const P& q) { bool in = false; - for (int i = 0; i < p.size(); ++i) { + for (int i = 0; i < (int)p.size(); ++i) { P a = curr(p, i) - q, b = next(p, i) - q; if (imag(a) > imag(b)) swap(a, b); if (sgn(imag(a)) <= 0 && sgn(imag(b)) > 0) diff --git a/verify/GRL_3_C.test.cpp b/verify/GRL_3_C.test.cpp index 0433476..bef64f2 100644 --- a/verify/GRL_3_C.test.cpp +++ b/verify/GRL_3_C.test.cpp @@ -15,7 +15,7 @@ int main() { vector> comp; getSCC(g, comp); vector dict(V); - for (int i = 0; i < comp.size(); ++i) + for (int i = 0; i < (int)comp.size(); ++i) for (auto j : comp[i]) dict[j] = i; int Q; cin >> Q; diff --git a/verify/aoj1279.test.cpp b/verify/aoj1279.test.cpp index f3c5bd9..30721e5 100644 --- a/verify/aoj1279.test.cpp +++ b/verify/aoj1279.test.cpp @@ -42,9 +42,9 @@ int main() { vector

ps; Graph graph = segmentArrangement(road, ps); int si = -1, gi = -1; - for (int i = 0; i < ps.size(); ++i) + for (int i = 0; i < (int)ps.size(); ++i) if (abs(ps[i] - s) < eps) si = i; - for (int i = 0; i < ps.size(); ++i) + for (int i = 0; i < (int)ps.size(); ++i) if (abs(ps[i] - g) < eps) gi = i; for (const auto& sign : signs) { diff --git a/verify/src/disco2016qualc.cpp b/verify/src/disco2016qualc.cpp index a1ad09d..d208f28 100644 --- a/verify/src/disco2016qualc.cpp +++ b/verify/src/disco2016qualc.cpp @@ -7,10 +7,10 @@ int main() { int K; cin >> S >> K; int acnt = 0; - for (int i = 0; i < S.size(); ++i) + for (int i = 0; i < (int)S.size(); ++i) if (S[i] == 'a') ++acnt; - if (S.size() - acnt <= K) { - cout << string(acnt - (K - (S.size() - acnt)), 'a') << endl; + if ((int)S.size() - acnt <= K) { + cout << string(acnt - (K - ((int)S.size() - acnt)), 'a') << endl; return 0; } From f6fdff0c332a598e34506f7e4dbfa7768b19f7c5 Mon Sep 17 00:00:00 2001 From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com> Date: Tue, 24 Mar 2026 20:18:45 +0000 Subject: [PATCH 3/3] Suppress -Wsign-compare via config instead of (int) casts Co-authored-by: blue-jam <9583566+blue-jam@users.noreply.github.com> Agent-Logs-Url: https://github.com/blue-jam/ProconLibrary/sessions/8890298c-e75d-4b6e-9d35-8ec16a4b1798 --- .verify-helper/config.toml | 2 +- datastructure/lazysegtree.hpp | 2 +- geometry/arrangement.hpp | 22 +++++++++++----------- geometry/convexcut.hpp | 4 ++-- geometry/polygon.hpp | 6 +++--- verify/GRL_3_C.test.cpp | 2 +- verify/aoj1279.test.cpp | 4 ++-- verify/src/disco2016qualc.cpp | 6 +++--- 8 files changed, 24 insertions(+), 24 deletions(-) diff --git a/.verify-helper/config.toml b/.verify-helper/config.toml index 5288e2d..ba2af56 100644 --- a/.verify-helper/config.toml +++ b/.verify-helper/config.toml @@ -1,3 +1,3 @@ [[languages.cpp.environments]] CXX = "g++" -CXXFLAGS = ["-std=c++23", "-O2", "-I", ".", "-Wno-deprecated", "-Wno-cpp", "-Wno-pragma-once-outside-header"] +CXXFLAGS = ["-std=c++23", "-O2", "-I", ".", "-Wno-deprecated", "-Wno-cpp", "-Wno-pragma-once-outside-header", "-Wno-sign-compare"] diff --git a/datastructure/lazysegtree.hpp b/datastructure/lazysegtree.hpp index f899c4e..068509c 100644 --- a/datastructure/lazysegtree.hpp +++ b/datastructure/lazysegtree.hpp @@ -31,7 +31,7 @@ struct LasySegmentTree { dat[k].sum = dat[lch].sum + dat[rch].sum; } void init(vector& v) { - for (int i = 0; i < (int)v.size(); ++i) { + for (int i = 0; i < v.size(); ++i) { dat[i + n - 1].min = dat[i + n - 1].sum = v[i]; dat[i + n - 1].pos = i; } diff --git a/geometry/arrangement.hpp b/geometry/arrangement.hpp index 1eb9cb5..f8634cb 100644 --- a/geometry/arrangement.hpp +++ b/geometry/arrangement.hpp @@ -19,18 +19,18 @@ bool merge_if_able(Segment& s, Segment t) { } // オーバーラップをマージする．（破壊的） void merge_segments(vector& ss) { - for (int i = 0; i < (int)ss.size(); ++i) + for (int i = 0; i < ss.size(); ++i) if (lessX(ss[i][1], ss[i][0])) swap(ss[i][1], ss[i][0]); - for (int i = 0; i < (int)ss.size(); ++i) - for (int j = i + 1; j < (int)ss.size(); ++j) + for (int i = 0; i < ss.size(); ++i) + for (int j = i + 1; j < ss.size(); ++j) if (merge_if_able(ss[i], ss[j])) ss[j--] = ss.back(), ss.pop_back(); } Graph segmentArrangement(const vector& ss, vector

& ps) { - for (int i = 0; i < (int)ss.size(); ++i) { + for (int i = 0; i < ss.size(); ++i) { ps.push_back(ss[i][0]); ps.push_back(ss[i][1]); - for (int j = i + 1; j < (int)ss.size(); ++j) { + for (int j = i + 1; j < ss.size(); ++j) { if (intersectSS(ss[i], ss[j])) ps.push_back(crosspointSS(ss[i], ss[j])); } @@ -38,14 +38,14 @@ Graph segmentArrangement(const vector& ss, vector

& ps) { sort(ALL(ps), lessX); ps.erase(unique(ALL(ps), near), ps.end()); Graph g(ps.size()); - for (int i = 0; i < (int)ss.size(); ++i) { + for (int i = 0; i < ss.size(); ++i) { vector> lst; - for (int j = 0; j < (int)ps.size(); ++j) { + for (int j = 0; j < ps.size(); ++j) { if (ccw(ss[i][0], ss[i][1], ps[j]) == 0) lst.push_back(make_pair(norm(ss[i][0] - ps[j]), j)); } sort(ALL(lst)); - for (int j = 0; j + 1 < (int)lst.size(); ++j) { + for (int j = 0; j + 1 < lst.size(); ++j) { int a = lst[j].second, b = lst[j + 1].second; addUndirectedEdge(g, a, b, abs(ps[a] - ps[b])); } @@ -53,14 +53,14 @@ Graph segmentArrangement(const vector& ss, vector

& ps) { return g; } bool walkCW(const Graph& g, int v, int u, vector& lst, const vector

& ps, vector>& used, vector>& res) { - for (int j = 0; j + 1 < (int)lst.size(); ++j) + for (int j = 0; j + 1 < lst.size(); ++j) if (lst[j] == u && lst[j + 1] == v) { Polygon pol; - for (int i = j; i < (int)lst.size() - 1; ++i) pol.push_back(ps[lst[i]]); + for (int i = j; i < lst.size() - 1; ++i) pol.push_back(ps[lst[i]]); double s = area(pol); if (s > eps) { vector v; - for (int i = j; i < (int)lst.size() - 1; ++i) { + for (int i = j; i < lst.size() - 1; ++i) { used[lst[i]][lst[(i + 1) % lst.size()]] = true; v.push_back(lst[i]); } diff --git a/geometry/convexcut.hpp b/geometry/convexcut.hpp index 949db97..7a32ccc 100644 --- a/geometry/convexcut.hpp +++ b/geometry/convexcut.hpp @@ -32,7 +32,7 @@ // 左側切除 Polygon convex_cut(const Polygon& p, const Line& l) { Polygon res; - for (int i = 0; i < (int)p.size(); ++i) { + for (int i = 0; i < p.size(); ++i) { P a = curr(p, i), b = next(p, i); Line tl = Line(a, b); if (ccw(l[0], l[1], a) != -1) res.push_back(a); @@ -45,7 +45,7 @@ Polygon convex_cut(const Polygon& p, const Line& l) { // TODO:O(n+m)にする Polygon convex_intersect(const Polygon& a, const Polygon& b) { Polygon res = a; - for (int i = 0; i < (int)b.size(); ++i) { + for (int i = 0; i < b.size(); ++i) { res = convex_cut(res, Line(curr(b, i), next(b, i))); } return res; diff --git a/geometry/polygon.hpp b/geometry/polygon.hpp index d782e28..3cb6aca 100644 --- a/geometry/polygon.hpp +++ b/geometry/polygon.hpp @@ -5,12 +5,12 @@ // 依存: geometry double area(Polygon& p) { double a = 0; - for (int i = 0; i < (int)p.size(); ++i) + for (int i = 0; i < p.size(); ++i) a += cross(curr(p, i), next(p, i)); return a / 2.0; } bool convex(Polygon& p) { - for (int i = 0; i < (int)p.size(); ++i) { + for (int i = 0; i < p.size(); ++i) { if (ccw(curr(p, i), next(p, i), next(p, i + 1)) == -1) return false; } @@ -21,7 +21,7 @@ enum { OUT, IN }; int contains(const Polygon& p, const P& q) { bool in = false; - for (int i = 0; i < (int)p.size(); ++i) { + for (int i = 0; i < p.size(); ++i) { P a = curr(p, i) - q, b = next(p, i) - q; if (imag(a) > imag(b)) swap(a, b); if (sgn(imag(a)) <= 0 && sgn(imag(b)) > 0) diff --git a/verify/GRL_3_C.test.cpp b/verify/GRL_3_C.test.cpp index bef64f2..0433476 100644 --- a/verify/GRL_3_C.test.cpp +++ b/verify/GRL_3_C.test.cpp @@ -15,7 +15,7 @@ int main() { vector> comp; getSCC(g, comp); vector dict(V); - for (int i = 0; i < (int)comp.size(); ++i) + for (int i = 0; i < comp.size(); ++i) for (auto j : comp[i]) dict[j] = i; int Q; cin >> Q; diff --git a/verify/aoj1279.test.cpp b/verify/aoj1279.test.cpp index 30721e5..f3c5bd9 100644 --- a/verify/aoj1279.test.cpp +++ b/verify/aoj1279.test.cpp @@ -42,9 +42,9 @@ int main() { vector

ps; Graph graph = segmentArrangement(road, ps); int si = -1, gi = -1; - for (int i = 0; i < (int)ps.size(); ++i) + for (int i = 0; i < ps.size(); ++i) if (abs(ps[i] - s) < eps) si = i; - for (int i = 0; i < (int)ps.size(); ++i) + for (int i = 0; i < ps.size(); ++i) if (abs(ps[i] - g) < eps) gi = i; for (const auto& sign : signs) { diff --git a/verify/src/disco2016qualc.cpp b/verify/src/disco2016qualc.cpp index d208f28..a1ad09d 100644 --- a/verify/src/disco2016qualc.cpp +++ b/verify/src/disco2016qualc.cpp @@ -7,10 +7,10 @@ int main() { int K; cin >> S >> K; int acnt = 0; - for (int i = 0; i < (int)S.size(); ++i) + for (int i = 0; i < S.size(); ++i) if (S[i] == 'a') ++acnt; - if ((int)S.size() - acnt <= K) { - cout << string(acnt - (K - ((int)S.size() - acnt)), 'a') << endl; + if (S.size() - acnt <= K) { + cout << string(acnt - (K - (S.size() - acnt)), 'a') << endl; return 0; }