結果
問題 | No.45 回転寿司 |
ユーザー | C_kumo |
提出日時 | 2019-01-17 03:46:37 |
言語 | C (gcc 12.3.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,909 bytes |
コンパイル時間 | 663 ms |
コンパイル使用メモリ | 29,824 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-01 06:37:44 |
合計ジャッジ時間 | 1,825 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | AC | 1 ms
6,940 KB |
testcase_33 | WA | - |
ソースコード
#include <stdio.h> #include <stdlib.h> void iniScore(short n,char v[],short score[]); int pickBest(short n,char v[],short score[],short *picked); void updateScore(short n,char v[],short score[],short picked,short *sushi); int main(void) { short n,i,picked,sushi; char *v; short *score; int ans; scanf("%hd",&n); v = (char *)malloc(sizeof(char) * n); if (v == NULL) { perror("v malloc"); exit(1); } for (i=0;i<n;i++) scanf("%hhd",&v[i]); score = (short *)malloc(sizeof(short) * n); if (score == NULL) { perror("score malloc"); exit(1); } iniScore(n,v,score); ans = 0; sushi = n; while (1) { ans += pickBest(n,v,score,&picked); updateScore(n,v,score,picked,&sushi); if (sushi <= 0) break; } printf("%d\n",ans); return 0; } void iniScore(short n,char v[],short score[]) { short i; // head, tail score[0] = v[0] - v[1]; score[n-1] = v[n-1] - v[n-2]; // others for (i=1;i<n-1;i++) { score[i] = v[i] - v[i-1] - v[i+1]; } return; } int pickBest(short n,char v[],short score[],short *picked) { short i,value,maxSushi,maxScore; // find max maxScore = -999; for (i=0;i<n;i++) { if (maxScore < score[i]) { maxScore = score[i]; maxSushi = i; } } // pick max *picked = maxSushi; value = v[maxSushi]; v[maxSushi] = 0; return value; } void updateScore(short n,char v[],short score[],short picked,short *sushi) { short i,p; // oo*oo p = picked; score[p] = -999; *sushi -= 1; // o*x*o p = picked - 1; if (p >= 0 || p < n) { v[p] = 0; score[p] = -999; *sushi -= 1; } p = picked + 1; if (p >= 0 || p < n) { v[p] = 0; score[p] = -999; *sushi -= 1; } // *oxo* p = picked - 2; if (p > 0) { score[p] = v[p] - v[p-1] - v[p+1]; } else if (p == 0) { score[p] = v[p] - v[p+1]; } p = picked + 2; if (p < n-1) { score[p] = v[p] - v[p-1] - v[p+1]; } else if (p == n-1) { score[p] = v[p] - v[p-1]; } return; }