Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
107061 何松羽 18患病人数占总患病人数的比例 C++ Compile Error 0 MS 0 KB 680 2025-01-17 11:45:48

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int c1 = 0, c2 = 0, c3 = 0, c4 = 0; for (int i = 0; i < n; i++) { if (a[i] <= 18) { c1++; } if (a[i] >= 19 && a[i] <= 35) { c2++; } if (a[i] >= 36 && a[i] <= 60 ) { c3++; } if (a[i] >= 61) { c4++; } } float b1 = 0; b2 = 0; b3 = 0; b4 = 0; printf("%.2f%\n", b1 / n * 100.0 ); cout<<"%"<<endl; printf("%.2f%\n", b2 / n * 100.0 ); cout<<"%"<<endl; printf("%.2f%\n", b3 / n * 100.0 ); cout<<"%"<<endl; printf("%.2f%\n", b4 / n * 100.0 ); cout<<"%"<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:26:2: error: 'b2' was not declared in this scope
  b2 = 0;
  ^
Main.cc:27:2: error: 'b3' was not declared in this scope
  b3 = 0;
  ^
Main.cc:28:2: error: 'b4' was not declared in this scope
  b4 = 0;
  ^
Main.cc:29:35: warning: unknown conversion type character 0xa in format [-Wformat=]
  printf("%.2f%\n", b1 / n * 100.0 );
                                   ^