PAT 甲级 A1058 （2019/02/09）

 1 #include<cstdio>
 2 int main(){
 3     int a[3], b[3], c[3], cont = 0;
 4     scanf("%d.%d.%d %d.%d.%d",&a[0], &b[0], &c[0], &a[1], &b[1], &c[1]);
 5     c[2] = ( c[0] + c[1] ) % 29;
 6     cont = ( c[0] + c[1] ) / 29;
 7     b[2] = ( b[0] + b[1] + cont ) % 17;
 8     cont = ( b[0] + b[1] + cont ) / 17;
 9     a[2] = a[0] + a[1] + cont;
10     printf("%d.%d.%d", a[2], b[2], c[2] );
11     return 0;
12 }