原来强行转int可以避免四舍五入啊
#include<iostream> #include<cstdio> using namespace std; int r,y; double m; int main() { scanf("%d%lf%d",&r,&m,&y); double l=1.0+(double)r/100.0; for(int i=1;i<=y;i++) m*=l; printf("%d ",(int)m); return 0; }