結果
| 問題 |
No.2694 The Early Bird Catches The Worm
|
| コンテスト | |
| ユーザー |
tnakao0123
|
| 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;
}
tnakao0123