提交时间:2026-03-11 13:44:17

运行 ID: 85371

#include<iostream> #include<cstdio> using namespace std; int main(){ int m[105]; int a=0,b=0,c=0,d=0; int n; cin >> n; for(int i=0;i<n;i++) { cin >> m[i]; if(m[i]>=0&&m[i]<=18) { a++; }else if(m[i]>=19&&m[i]<=35) { b++; }else if(m[i]>=36&&m[i]<=60) { c++; }else if(m[i]>=61) { d++; } } printf("%.2f\%\n",(1.0*a/n)*100.0); printf("%.2f\%\n",(1.0*b/n)*100.0); printf("%.2f\%\n",(1.0*c/n)*100.0); printf("%.2f\%\n",(1.0*d/n)*100.0); return 0; }