Codeforces 697A - Pineapple Incident
题目链接:http://codeforces.com/problemset/problem/697/A
题目大意:
输入三个数 t,s,x; 判断x是否合适
合适的位置位 t , t+s, t+s+1, t+2s , t+2s+1 ,t+3s, t+3s+1 ......
如果在合适的位置中,输出 “YES” 不合适输出“NO”
解题思路:
如果x<t 不合适
如果 (x-t)%s !=0|| !=1 合适 【注意要排除 x=t+1 这种情况】
AC Code :
#include<stdio.h>
int main()
{
int t,s,x,tem;
while(~scanf("%d%d%d",&t,&s,&x))
{
tem=(x-t)%s;
if(x<t||x==t+||(tem!=&&tem!=))puts("NO");
else puts("YES");
}
return ;
}
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