Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
151933 岑思烁 18第一次出现与最后一次出现的位置 C++ Compile Error 0 MS 0 KB 401 2026-04-19 12:21:59

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ int n,x,l=-1,r=-1; cin>>n; int[n+1]; for（int i=1;i<=n;i++）{ cin>>a[i]; } cin>>x; for(int i=n;i<=n;i++){ if(x==a[i]){ l=i; break; } } for(int i=n;i>=1;i--){ if(x==a[i]){ r=1; break; } } if（l==-1）{ cout<<-1; }else{ cout<<l<<" "<<r; } return 0; }

Run Info:

Main.cc:8:1: error: stray '\357' in program
 for（int i=1;i<=n;i++）{
 ^
Main.cc:8:1: error: stray '\274' in program
Main.cc:8:1: error: stray '\210' in program
Main.cc:8:1: error: stray '\357' in program
Main.cc:8:1: error: stray '\274' in program
Main.cc:8:1: error: stray '\211' in program
Main.cc:25:1: error: stray '\357' in program
 if（l==-1）{
 ^
Main.cc:25:1: error: stray '\274' in program
Main.cc:25:1: error: stray '\210' in program
Main.cc:25:1: error: stray '\357' in program
Main.cc:25:1: error: stray '\274' in program
Main.cc:25:1: error: stray '\211' in program
Main.cc: In function 'int main()':
Main.cc:7:4: error: expected unqualified-id before '[' token
 int[n+1];
    ^
Main.cc:8:7: error: expected '(' before 'int'
 for（int i=1;i<=n;i++）{
       ^
Main.cc:8:26: error: expected ')' before '{' token
 for（int i=1;i<=n;i++）{
                          ^
Main.cc:9:10: error: 'a' was not declared in this scope
     cin>>a[i];
          ^
Main.cc:13:11: error: 'a' was not declared in this scope
     if(x==a[i]){
           ^
Main.cc:19:11: error: 'a' was not declared in this scope
     if(x==a[i]){
           ^
Main.cc:25:6: error: expected '(' before 'l'
 if（l==-1）{
      ^
Main.cc:27:2: error: 'else' without a previous 'if'
 }else{
  ^