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#419(div2) A. Karen and Morning

题意:给出某个时刻,问多少秒后时刻变成回文的了

思路:A题就直接暴力咯,一秒一秒加,判断,注意:24点为0点

 1 #include<bits/stdc++.h>
 2 using namespace std;
 3 
 4 int main(){
 5     string s1;
 6     cin>>s1;
 7     int x1=s1[0]-0;
 8     int x2=s1[1]-0;
 9     int y1=s1[3]-0;
10     int y2=s1[4]-0;
11     for(int i=0;;i++){
12         if(i!=0)
13         y2++;
14         if(y2>=10){
15             y2=y2%10;y1++;
16         }
17         if(y1>=6){
18             y1=y1%6;x2++;
19         }
20         if(x2>=10){
21             x2=x2%10;x1++;
22         }
23         if(x1==2&&x2==4){
24             x1=0;x2=0;
25         }
26         if(x1==y2&&y1==x2){
27             printf("%d\n",i);return 0;
28         }
29     }
30     return 0;
31 }

 

#419(div2) A. Karen and Morning