結果
問題 |
No.3185 Three Abs
|
ユーザー |
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提出日時 | 2025-06-22 15:49:14 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 92 ms / 2,000 ms |
コード長 | 896 bytes |
コンパイル時間 | 558 ms |
コンパイル使用メモリ | 42,472 KB |
実行使用メモリ | 7,844 KB |
最終ジャッジ日時 | 2025-06-22 15:49:22 |
合計ジャッジ時間 | 7,869 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 30 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:30:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 30 | scanf("%d", &tn); | ~~~~~^~~~~~~~~~~ main.cpp:34:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 34 | scanf("%d", &n); | ~~~~~^~~~~~~~~~ main.cpp:35:38: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 35 | for (int i = 0; i < n; i++) scanf("%d", as + i); | ~~~~~^~~~~~~~~~~~~~
ソースコード
/* -*- coding: utf-8 -*- * * 3185.cc: No.3185 Three Abs - yukicoder */ #include<cstdio> #include<algorithm> using namespace std; /* constant */ const int MAX_N = 200000; /* typedef */ using ll = long long; /* global variables */ int as[MAX_N]; ll ass[MAX_N + 1]; /* subroutines */ /* main */ int main() { int tn; scanf("%d", &tn); while (tn--) { int n; scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", as + i); for (int i = 0; i < n; i++) ass[i + 1] = ass[i] + as[i]; ll maxsc = ass[n], mins = 0, maxs = 0; for (int i = 1; i <= n; i++) { ll sc0 = abs(mins) + abs(ass[i] - mins) + abs(ass[n] - ass[i]); ll sc1 = abs(maxs) + abs(ass[i] - maxs) + abs(ass[n] - ass[i]); maxsc = max(maxsc, max(sc0, sc1)); mins = min(mins, ass[i]); maxs = max(maxs, ass[i]); } printf("%lld\n", maxsc); } return 0; }