結果
問題 | No.17 2つの地点に泊まりたい |
ユーザー | mudbdb |
提出日時 | 2015-07-12 17:42:08 |
言語 | C90 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 1 ms / 5,000 ms |
コード長 | 2,054 bytes |
コンパイル時間 | 198 ms |
コンパイル使用メモリ | 23,168 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-15 01:23:45 |
合計ジャッジ時間 | 1,038 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 0 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | AC | 1 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 1 ms
5,248 KB |
testcase_12 | AC | 0 ms
5,248 KB |
testcase_13 | AC | 0 ms
5,248 KB |
testcase_14 | AC | 0 ms
5,248 KB |
testcase_15 | AC | 1 ms
5,248 KB |
testcase_16 | AC | 1 ms
5,248 KB |
testcase_17 | AC | 1 ms
5,248 KB |
testcase_18 | AC | 1 ms
5,248 KB |
testcase_19 | AC | 1 ms
5,248 KB |
testcase_20 | AC | 1 ms
5,248 KB |
testcase_21 | AC | 1 ms
5,248 KB |
testcase_22 | AC | 1 ms
5,248 KB |
testcase_23 | AC | 1 ms
5,248 KB |
testcase_24 | AC | 1 ms
5,248 KB |
testcase_25 | AC | 1 ms
5,248 KB |
testcase_26 | AC | 1 ms
5,248 KB |
コンパイルメッセージ
main.c: In function ‘main’: main.c:47:3: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 47 | scanf("%d", &N); | ^~~~~~~~~~~~~~~ main.c:50:23: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 50 | for (i=0; i<N; i++) scanf("%d", &(S[i])); | ^~~~~~~~~~~~~~~~~~~~ main.c:51:3: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 51 | scanf("%d", &M); | ^~~~~~~~~~~~~~~ main.c:56:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 56 | scanf("%d", &(A[i])); | ^~~~~~~~~~~~~~~~~~~~ main.c:57:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 57 | scanf("%d", &(B[i])); | ^~~~~~~~~~~~~~~~~~~~ main.c:58:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 58 | scanf("%d", &(C[i])); | ^~~~~~~~~~~~~~~~~~~~
ソースコード
#include <stdio.h> #include <stdlib.h> int min(int **pathcost, int i, int j, int k) { int min; if (pathcost[i][j] == -1) { if ((pathcost[i][k] == -1) || (pathcost[k][j] == -1)) { min = -1; } else { min = pathcost[i][k] + pathcost[k][j]; } } else { if ((pathcost[i][k] == -1) || (pathcost[k][j] == -1)) { min = pathcost[i][j]; } else { if (pathcost[i][j] < (pathcost[i][k] + pathcost[k][j])) { min = pathcost[i][j]; } else { min = pathcost[i][k] + pathcost[k][j]; } } } return min; } int total(int **pathcost, int *S, int i, int j, int N) { int total; if ((pathcost[0][i] == -1)|| (pathcost[i][j] == -1)|| (pathcost[j][N-1] == -1)) { total = -1; } else { total = pathcost[0][i] + S[i] + pathcost[i][j] + S[j] + pathcost[j][N-1]; } return total; } int main() { int N; int *S; int M; int *A; int *B; int *C; scanf("%d", &N); S = (int*)malloc(sizeof(int)*N); int i; for (i=0; i<N; i++) scanf("%d", &(S[i])); scanf("%d", &M); A = (int*)malloc(sizeof(int)*M); B = (int*)malloc(sizeof(int)*M); C = (int*)malloc(sizeof(int)*M); for (i=0; i<M; i++) { scanf("%d", &(A[i])); scanf("%d", &(B[i])); scanf("%d", &(C[i])); } int **pathcost; pathcost = (int**)malloc(sizeof(int*)*N); pathcost[0] = (int*)malloc(sizeof(int)*N*N); for (i=0; i<N*N; i++) pathcost[0][i] = -1; for (i=1; i<N; i++) pathcost[i] = &(pathcost[i-1][N]); for (i=0; i<N; i++) pathcost[i][i] = 0; for (i=0; i<M; i++) { pathcost[A[i]][B[i]] = C[i]; pathcost[B[i]][A[i]] = C[i]; } int j, k; for (k=0; k<N; k++) for (i=0; i<N; i++) for (j=0; j<N; j++) pathcost[i][j] = min(pathcost, i, j, k); int cost; int min = ~(1 << 31); for (i=1; i<N-1; i++) for (j=1; j<N-1; j++) { if (i != j) { cost = total(pathcost, S, i, j, N); if ((cost != -1) && (cost < min)) { min = cost; } } } printf("%d\n", min); return 0; }