結果
問題 | No.643 Two Operations No.2 |
ユーザー |
![]() |
提出日時 | 2018-02-02 22:04:08 |
言語 | C++11 (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 1 ms / 2,000 ms |
コード長 | 1,720 bytes |
コンパイル時間 | 450 ms |
コンパイル使用メモリ | 31,744 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-12-31 07:35:06 |
合計ジャッジ時間 | 1,075 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
other | AC * 13 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:71:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 71 | scanf("%d %d", &x, &y); | ~~~~~^~~~~~~~~~~~~~~~~
ソースコード
#include <stdio.h>#include <stdlib.h>#include <string.h>#include <math.h>int descending_compare(const void *a, const void *b){if (*(int*)a > *(int*)b){return -1;}else if (*(int*)a == *(int*)b){return 0;}else{return 1;}}int ascending_compare(const void *a, const void *b){if (*(int*)a < *(int*)b){return -1;}else if (*(int*)a == *(int*)b){return 0;}else{return 1;}}int lower_bound(int *a, int n, int key){int left, mid, right;left = 0, right = n;mid = (left + right)/2;while ((left+1 != mid || mid+1 != right) && mid != left){if (key > a[mid]){left = mid;}else{right = mid+1;}mid = (left + right)/2;}if (a[left] >= key)return left;if (a[mid] >= key)return mid;if (a[right] >= key)return right;return n;}//greatest common divisorunsigned long gcd(unsigned long x, unsigned long y){if (y == 0){return x;}else if (x > y){return gcd(y, x % y);}else{return gcd(x, y % x);}}long long factorial(int x){long long rtn = 1;int i;for (i = x; i > 1; i--){rtn = (rtn*i);}return rtn;}int main(void){int x, y;scanf("%d %d", &x, &y);if (x == y){printf("0\n");return 0;}if (x == 0){printf("2\n");return 0;}if (y == 0){printf("1\n");return 0;}if (x*-1 == y){printf("3\n");return 0;}if (y*-1 == x){printf("4\n");return 0;}printf("-1\n");return 0;}