結果
問題 | No.2052 Indegree |
ユーザー | Jashinchan |
提出日時 | 2022-08-24 09:16:10 |
言語 | C (gcc 12.3.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 429 bytes |
コンパイル時間 | 268 ms |
コンパイル使用メモリ | 29,440 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-11 19:18:03 |
合計ジャッジ時間 | 1,189 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | AC | 1 ms
5,248 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | WA | - |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
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 |
コンパイルメッセージ
main.c: In function 'main': main.c:6:35: warning: implicit declaration of function 'calloc' [-Wimplicit-function-declaration] 6 | long long *deg = (long long *)calloc(N, sizeof(long long)); | ^~~~~~ main.c:2:1: note: include '<stdlib.h>' or provide a declaration of 'calloc' 1 | #include <stdio.h> +++ |+#include <stdlib.h> 2 | int main(void) main.c:6:35: warning: incompatible implicit declaration of built-in function 'calloc' [-Wbuiltin-declaration-mismatch] 6 | long long *deg = (long long *)calloc(N, sizeof(long long)); | ^~~~~~ main.c:6:35: note: include '<stdlib.h>' or provide a declaration of 'calloc' main.c:19:5: warning: implicit declaration of function 'free' [-Wimplicit-function-declaration] 19 | free(deg); | ^~~~ main.c:19:5: note: include '<stdlib.h>' or provide a declaration of 'free' main.c:19:5: warning: incompatible implicit declaration of built-in function 'free' [-Wbuiltin-declaration-mismatch] main.c:19:5: note: include '<stdlib.h>' or provide a declaration of 'free'
ソースコード
#include <stdio.h> int main(void) { long long N, M, A, B; scanf("%ld %ld", &N, &M); long long *deg = (long long *)calloc(N, sizeof(long long)); for (long long i = 0; i < M; ++i) { scanf("%ld %ld", &A, &B); deg[B - 1]++; } long long ans = 0; for (int i = 0; i < M; ++i) { if (deg[i] == 0) ans++; } printf("%ld\n", ans); free(deg); return 0; }