Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
153460 袁梓豪 19买画笔 C++ Compile Error 0 MS 0 KB 267 2026-05-17 13:21:01

Tests(0/0):

Code:

#include <bits/stdc++.h> using namespace std; int main() { int a[1010]={0}, l, x,ma = -999999; cin >> l; for (int i = 1; i <= n; i++) { cin >> x; a[x]++; } for (int i = 1000; i >= 0; i--) { if (a[i]%2!=0) { cout<<i; } } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:22: error: 'n' was not declared in this scope
 for (int i = 1; i <= n; i++) { 
                      ^
Main.cc:4:23: warning: unused variable 'ma' [-Wunused-variable]
 int a[1010]={0}, l, x,ma = -999999; 
                       ^