結果
問題 | No.3 ビットすごろく |
ユーザー | roaiziro |
提出日時 | 2015-09-22 07:03:26 |
言語 | C90 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 1,988 bytes |
コンパイル時間 | 125 ms |
コンパイル使用メモリ | 22,528 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-01 07:33:35 |
合計ジャッジ時間 | 1,067 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 0 ms
5,248 KB |
testcase_01 | AC | 0 ms
5,376 KB |
testcase_02 | AC | 0 ms
5,376 KB |
testcase_03 | AC | 0 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 0 ms
5,376 KB |
testcase_21 | AC | 1 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 1 ms
5,376 KB |
testcase_24 | AC | 1 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 1 ms
5,376 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 1 ms
5,376 KB |
testcase_29 | AC | 1 ms
5,376 KB |
testcase_30 | AC | 1 ms
5,376 KB |
testcase_31 | AC | 0 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
コンパイルメッセージ
main.c: In function ‘end’: main.c:27:9: warning: implicit declaration of function ‘free’ [-Wimplicit-function-declaration] 27 | free(h); | ^~~~ main.c:2:1: note: include ‘<stdlib.h>’ or provide a declaration of ‘free’ 1 | #include<stdio.h> +++ |+#include <stdlib.h> 2 | #include<stdio.h> main.c:27:9: warning: incompatible implicit declaration of built-in function ‘free’ [-Wbuiltin-declaration-mismatch] 27 | free(h); | ^~~~ main.c:27:9: note: include ‘<stdlib.h>’ or provide a declaration of ‘free’ main.c: In function ‘newmyq’: main.c:35:11: warning: implicit declaration of function ‘malloc’ [-Wimplicit-function-declaration] 35 | new = malloc(sizeof(struct MYQ)); | ^~~~~~ main.c:35:11: note: include ‘<stdlib.h>’ or provide a declaration of ‘malloc’ main.c:35:11: warning: incompatible implicit declaration of built-in function ‘malloc’ [-Wbuiltin-declaration-mismatch] main.c:35:11: note: include ‘<stdlib.h>’ or provide a declaration of ‘malloc’ main.c: In function ‘main’: main.c:84:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 84 | scanf("%d", &n); | ^~~~~~~~~~~~~~~
ソースコード
#include<stdio.h> #include<stdio.h> #define N 10001 struct MASU{ int n, f, k; }bord[N]; struct MYQ{ void *current; struct MYQ *next; struct MYQ *back; }; struct MYQ *head, *tail; void ini(void) { head = tail = NULL; return; } void end(void) { struct MYQ *h, *w; for(h = head; h != NULL; h = w){ w = h->next; free(h); } return; } struct MYQ* newmyq(void *current) { struct MYQ *new; new = malloc(sizeof(struct MYQ)); new->next = new->back = NULL; new->current = current; return(new); } void enque(struct MYQ *q) { if(tail == NULL){ head = tail = q; }else{ q->next = head; head->back = q; head = q; } return; } struct MYQ* deque(void) { struct MYQ *w; if(tail == NULL){ return(NULL); } w = tail; tail = tail->back; return(w); } int bit(int n) { int bit = 0; do{ if(n % 2 == 1){ bit++; } }while(n >>= 1); return(bit); } int main(int argc, const char * argv[]) { int n, i, front, back; struct MYQ *w; struct MASU *b; ini(); scanf("%d", &n); for(i = 1; i <= n; i++){ bord[i].n = i; bord[i].f = 0; bord[i].k = 0; } enque(newmyq(&bord[1])); bord[1].f = bord[1].k = 1; while((w = deque()) != NULL){ b = w->current; front = b->n + bit(b->n); if(front <= n && bord[front].f == 0){ enque(newmyq(&bord[front])); bord[front].f = 1; bord[front].k = bord[b->n].k + 1; } back = b->n - bit(b->n); if(1 <= back && bord[back].f == 0){ enque(newmyq(&bord[back])); bord[back].f = 1; bord[back].k = bord[b->n].k + 1; } } if(0 < bord[n].k){ printf("%d\n", bord[n].k); }else{ printf("%d\n", -1); } end(); return 0; }