Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
126886 何睿函 19买画笔 C++ Compile Error 0 MS 0 KB 295 2025-07-22 13:47:07

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int b[101] = {0}; for (int i = 0; i < 101; i++) { int x ; cin >> x; b[x]++; } int max = 1; for (int i = 2; i <= 101; i++) { if (a[i]%2!=0) { cout<<i; } } cout << max; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:14:7: error: 'a' was not declared in this scope
   if (a[i]%2!=0) {
       ^