結果
問題 |
No.2694 The Early Bird Catches The Worm
|
ユーザー |
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提出日時 | 2024-04-26 19:45:13 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 59 ms / 2,000 ms |
コード長 | 982 bytes |
コンパイル時間 | 279 ms |
コンパイル使用メモリ | 41,340 KB |
最終ジャッジ日時 | 2025-02-21 09:10:34 |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 72 |
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%d", &n, &h); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:31:36: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 31 | for (int i = 0; i < n; i++) scanf("%d", as + i); | ~~~~~^~~~~~~~~~~~~~ main.cpp:32:36: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 32 | for (int i = 0; i < n; i++) scanf("%d", bs + i); | ~~~~~^~~~~~~~~~~~~~
ソースコード
/* -*- coding: utf-8 -*- * * 2694.cc: No.2694 The Early Bird Catches The Worm - yukicoder */ #include<cstdio> #include<algorithm> using namespace std; /* constant */ const int MAX_N = 200000; /* typedef */ typedef long long ll; /* global variables */ int as[MAX_N], bs[MAX_N]; ll ass[MAX_N + 1], bss[MAX_N + 1]; /* subroutines */ /* main */ int main() { int n, h; scanf("%d%d", &n, &h); for (int i = 0; i < n; i++) scanf("%d", as + i); for (int i = 0; i < n; i++) scanf("%d", bs + i); for (int i = 0; i < n; i++) ass[i + 1] = ass[i] + as[i]; for (int i = 0; i < n; i++) bss[i + 1] = bss[i] + bs[i]; ll maxx = 0, y = 0; for (int i = 0, j = 0; j < n; i++) { while (j < n && y + (ll)bs[j] * (j + 1 - i) <= h) { y += (ll)bs[j] * (j + 1 - i); j++; } maxx = max(maxx, ass[j] - ass[i]); //printf(" %d,%d: x=%lld, y=%lld\n", i, j, ass[j] - ass[i], y); y -= bss[j] - bss[i]; } printf("%lld\n", maxx); return 0; }