結果
| 問題 |
No.1 道のショートカット
|
| コンテスト | |
| ユーザー |
matsu7874
|
| 提出日時 | 2015-12-07 22:36:29 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 5,000 ms |
| コード長 | 1,150 bytes |
| コンパイル時間 | 263 ms |
| コンパイル使用メモリ | 39,264 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-20 16:18:38 |
| 合計ジャッジ時間 | 1,243 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 40 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:10:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
10 | scanf("%d", &N);
| ~~~~~^~~~~~~~~~
main.cpp:11:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
11 | scanf("%d", &C);
| ~~~~~^~~~~~~~~~
main.cpp:12:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
12 | scanf("%d", &V);
| ~~~~~^~~~~~~~~~
main.cpp:16:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
16 | scanf("%d", &S[i]);
| ~~~~~^~~~~~~~~~~~~
main.cpp:20:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
20 | scanf("%d", &T[i]);
| ~~~~~^~~~~~~~~~~~~
main.cpp:24:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
24 | scanf("%d", &Y[i]);
| ~~~~~^~~~~~~~~~~~~
main.cpp:28:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
28 | scanf("%d", &M[i]);
| ~~~~~^~~~~~~~~~~~~
ソースコード
#include <cstdio>
#include <algorithm>
#define INF (1 << 26)
using namespace std;
int main() {
int N, C, V;
scanf("%d", &N);
scanf("%d", &C);
scanf("%d", &V);
int S[V], T[V], Y[V], M[V];
for (int i = 0; i < V; i++) {
scanf("%d", &S[i]);
}
for (int i = 0; i < V; i++) {
scanf("%d", &T[i]);
}
for (int i = 0; i < V; i++) {
scanf("%d", &Y[i]);
}
for (int i = 0; i < V; i++) {
scanf("%d", &M[i]);
}
int p[V];
for (int i = 0; i < V; i++) {
p[i] = i;
}
sort(p, p + V, [&](int a, int b) {
return S[a] < S[b];
});
long dp[N + 1][C + 1];
for (int i = 0; i < N + 1; i++) {
for (int j = 0; j < C + 1; j++) {
dp[i][j] = INF;
}
}
dp[1][C] = 0;
for (int i = 0; i < V; i++) {
int ptr = p[i];
for (int j = 0; j < C + 1; j++) {
if (Y[ptr] + j <= C) {
dp[T[ptr]][j] = min(dp[T[ptr]][j], dp[S[ptr]][j + Y[ptr]] + M[ptr]);
}
}
}
long min_time = INF;
for (int i = 0; i < C + 1; i++) {
min_time = min(min_time, dp[N][i]);
}
if (min_time == INF) {
printf("-1\n");
} else {
printf("%ld\n", min_time);
}
return 0;
}
matsu7874