Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
101282 林嘉乐 18患病人数占总患病人数的比例 C++ Compile Error 0 MS 0 KB 467 2024-12-14 17:50:22

Tests(0/0):

Code:

#include<iostream> using namespace std; int main() { int n; cin>>n; float b=0,c=0,d=0,e=0 int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; } for(int i=0;i<n;i++){ if(a[i]<=18){ b++; } else if(a[i]>=19&&a[i]<=35){ c++; } else if(a[i]>=36&&a[i]<=60){ d++; } else{ e++; } } printf("%.2lf%\n",b/n*100); printf("%.2lf%\n",c/n*100); printf("%.2lf%\n",d/n*100); printf("%.2lf%\n",e/n*100); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:8:2: error: expected ',' or ';' before 'int'
  int a[n];
  ^
Main.cc:10:8: error: 'a' was not declared in this scope
   cin>>a[i];
        ^
Main.cc:13:6: error: 'a' was not declared in this scope
   if(a[i]<=18){
      ^
Main.cc:27:27: warning: unknown conversion type character 0xa in format [-Wformat=]
  printf("%.2lf%\n",b/n*100);
                           ^
Main.cc:28:27: warning: unknown conversion type character 0xa in format [-Wformat=]
  printf("%.2lf%\n",c/n*100);
                           ^
Main.cc:29:27: warning: unknown conversion type character 0xa in format [-Wformat=]
  printf("%.2lf%\n",d/n*100);
                           ^
Main.cc:30:27: warning: unknown conversion type character 0xa in format [-Wformat=]
  printf("%.2lf%\n",e/n*100);
                           ^