結果
問題 |
No.1 道のショートカット
|
ユーザー |
![]() |
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; }