結果
| 問題 | No.2790 Athena 3 |
| ユーザー |
 snrnsidy
|
| 提出日時 | 2024-06-21 21:32:23 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 2,517 bytes |
| コンパイル時間 | 3,140 ms |
| コンパイル使用メモリ | 353,144 KB |
| 最終ジャッジ日時 | 2025-02-21 23:50:51 |
|
ジャッジサーバーID （参考情報） |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 14 |
コンパイルメッセージ
main.cpp:27:41: warning: bad option ‘-fschedule-insnS2’ to pragma ‘optimize’ [-Wpragmas]
27 | #pragma GCC optimize("-fschedule-insnS2")
| ^
main.cpp:44:52: warning: bad option ‘-fdelete-null-Pointer-checks’ to pragma ‘optimize’ [-Wpragmas]
44 | #pragma GCC optimize("-fdelete-null-Pointer-checks")
| ^
main.cpp:55:51: warning: bad option ‘-fschedule-insnS2’ to attribute ‘optimize’ [-Wattributes]
55 | int area(int x1,int y1,int x2,int y2,int x3,int y3)
| ^
main.cpp:55:51: warning: bad option ‘-fdelete-null-Pointer-checks’ to attribute ‘optimize’ [-Wattributes]
main.cpp:59:17: warning: bad option ‘-fschedule-insnS2’ to attribute ‘optimize’ [-Wattributes]
59 | void dfs(int now)
| ^
main.cpp:59:17: warning: bad option ‘-fdelete-null-Pointer-checks’ to attribute ‘optimize’ [-Wattributes]
main.cpp:77:14: warning: bad option ‘-fschedule-insnS2’ to attribute ‘optimize’ [-Wattributes]
77 | int main(void)
| ^
main.cpp:77:14: warning: bad option ‘-fdelete-null-Pointer-checks’ to attribute ‘optimize’ [-Wattributes]
ソースコード
#pragma GCC optimize("O3")#pragma GCC optimize(2)#pragma GCC optimize(3)#pragma GCC optimize("Ofast")#pragma GCC optimize("inline")#pragma GCC optimize("-fgcse")#pragma GCC optimize("-fgcse-lm")#pragma GCC optimize("-fipa-sra")#pragma GCC optimize("-ftree-pre")#pragma GCC optimize("-ftree-vrp")#pragma GCC optimize("-fpeephole2")#pragma GCC optimize("-ffast-math")#pragma GCC optimize("-fsched-spec")#pragma GCC optimize("unroll-loops")#pragma GCC optimize("-falign-jumps")#pragma GCC optimize("-falign-loops")#pragma GCC optimize("-falign-labels")#pragma GCC optimize("-fdevirtualize")#pragma GCC optimize("-fcaller-saves")#pragma GCC optimize("-fcrossjumping")#pragma GCC optimize("-fthread-jumps")#pragma GCC optimize("-funroll-loops")#pragma GCC optimize("-freorder-blocks")#pragma GCC optimize("-fschedule-insns")#pragma GCC optimize("inline-functions")#pragma GCC optimize("-ftree-tail-merge")#pragma GCC optimize("-fschedule-insnS2")#pragma GCC optimize("-fstrict-aliasing")#pragma GCC optimize("-falign-functions")#pragma GCC optimize("-fcse-follow-jumps")#pragma GCC optimize("-fsched-interblock")#pragma GCC optimize("-fpartial-inlining")#pragma GCC optimize("no-stack-protector")#pragma GCC optimize("-freorder-functions")#pragma GCC optimize("-findirect-inlining")#pragma GCC optimize("-fhoist-adjacent-loads")#pragma GCC optimize("-frerun-cse-after-loop")#pragma GCC optimize("inline-small-functions")#pragma GCC optimize("-finline-small-functions")#pragma GCC optimize("-ftree-switch-conversion")#pragma GCC optimize("-foptimize-sibling-calls")#pragma GCC optimize("-fexpensive-optimizations")#pragma GCC optimize("inline-functions-called-once")#pragma GCC optimize("-fdelete-null-Pointer-checks")#pragma GCC optimize("Ofast")#include <bits/stdc++.h>using namespace std;int x[3];int y[3];int res = 0;int area(int x1,int y1,int x2,int y2,int x3,int y3){return abs(x1*y2 + x2*y3 + x3*y1 - x2*y1 - x3*y2 - x1*y3);}void dfs(int now){if(now==3){res = max(res,area(x[0],y[0],x[1],y[1],x[2],y[2]));return;}x[now]-=1;dfs(now+1);x[now]+=2;dfs(now+1);x[now]-=1;y[now]-=1;dfs(now+1);y[now]+=2;dfs(now+1);y[now]-=1;}int main(void){cin.tie(0);ios::sync_with_stdio(false);cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2];dfs(0);if(res%2==0) cout << res/2 << ".0" << '\n';else cout << res/2 << ".5" << '\n';return 0;}