#8595: (C語言) 打法參考


ssssxxxx994422 (LoS-Light)


#include <stdio.h>
int main(){
int d,dd,sum,value,i;
while(~scanf("%d", &d)){
for(i=0,dd=1,sum=3,value=2;i<48;i++){
dd=dd+d;
value=value+dd;
sum=sum+value;
}
printf("%d\n", sum);
}
return 0;
}