結果
問題 | No.182 新規性の虜 |
ユーザー | nonamae |
提出日時 | 2022-07-29 17:11:58 |
言語 | C (gcc 12.3.0) |
結果 |
AC
|
実行時間 | 15 ms / 5,000 ms |
コード長 | 1,358 bytes |
コンパイル時間 | 288 ms |
コンパイル使用メモリ | 30,976 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-19 08:14:19 |
合計ジャッジ時間 | 1,327 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 9 ms
5,376 KB |
testcase_09 | AC | 15 ms
5,376 KB |
testcase_10 | AC | 13 ms
5,376 KB |
testcase_11 | AC | 11 ms
5,376 KB |
testcase_12 | AC | 5 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 10 ms
5,376 KB |
testcase_19 | AC | 8 ms
5,376 KB |
testcase_20 | AC | 6 ms
5,376 KB |
testcase_21 | AC | 13 ms
5,376 KB |
testcase_22 | AC | 7 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 14 ms
5,376 KB |
testcase_25 | AC | 11 ms
5,376 KB |
testcase_26 | AC | 3 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
evil01.txt | AC | 16 ms
5,376 KB |
evil02.txt | AC | 17 ms
5,376 KB |
コンパイルメッセージ
main.c: In function 'radix_sort64': main.c:15:9: warning: implicit declaration of function 'memset' [-Wimplicit-function-declaration] 15 | memset(work2, 0, 0x10000 * sizeof(uint64_t)); | ^~~~~~ main.c:4:1: note: include '<string.h>' or provide a declaration of 'memset' 3 | #include <stdint.h> +++ |+#include <string.h> 4 | main.c:15:9: warning: incompatible implicit declaration of built-in function 'memset' [-Wbuiltin-declaration-mismatch] 15 | memset(work2, 0, 0x10000 * sizeof(uint64_t)); | ^~~~~~ main.c:15:9: note: include '<string.h>' or provide a declaration of 'memset'
ソースコード
#include <stdio.h> #include <stdlib.h> #include <stdint.h> void radix_sort64(uint64_t *a, int a_len) { uint64_t *work0 = (uint64_t *)calloc(0x10000, sizeof(uint64_t)); uint64_t *work1 = (uint64_t *)calloc(a_len, sizeof(uint64_t)); uint64_t *work2 = (uint64_t *)calloc(0x10000, sizeof(uint64_t)); #ifdef LOCAL if (work0 == NULL || work1 == NULL || work2 == NULL) exit(EXIT_FAILURE); #endif uint64_t shift = 0; __uint128_t x = 0; while (shift < 64ul) { memset(work2, 0, 0x10000 * sizeof(uint64_t)); for (int i = 0; i < a_len; i++) { x = (a[i] >> shift) & 0xffff; work2[x]++; work1[i] = a[i]; } work0[0] = 0; for (uint64_t u = 0; u < 0xffff; u++) work0[u + 1] = work0[u] + work2[u]; for (int i = 0; i < a_len; i++) { x = (work1[i] >> shift) & 0xffff; a[work0[x]] = work1[i]; work0[x]++; } shift += 16; } free(work0); free(work1); free(work2); } int main(void) { int n; scanf("%d", &n); int64_t a[n + 2]; for (int i = 0; i < n; ++i) scanf("%lld", &a[i]); a[n] = 0; a[n + 1] = 1e9 + 7; radix_sort64(a, n + 2); int ans = 0; for (int i = 1; i <= n; ++i) if (a[i - 1] != a[i] && a[i] != a[i + 1]) ++ans; printf("%d\n", ans); return 0; }