Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
137911 王顺煜 12序列找规律 C++ Compile Error 0 MS 0 KB 284 2025-11-23 11:28:53

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main (){ int a,b,a-=1,b-=2; long long a=10000,b=10000 cin>>a>>b; for(int i=3;i<=n;i++){ if(i%2==0){ a-=1; }else{ b-=2; } } if(n%2==0){ cout<<a; }else{ cout<<b; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:4:14: error: expected initializer before '-=' token
     int a,b,a-=1,b-=2;
              ^
Main.cc:5:15: error: conflicting declaration 'long long int a'
     long long a=10000,b=10000
               ^
Main.cc:4:9: note: previous declaration as 'int a'
     int a,b,a-=1,b-=2;
         ^
Main.cc:5:23: error: conflicting declaration 'long long int b'
     long long a=10000,b=10000
                       ^
Main.cc:4:11: note: previous declaration as 'int b'
     int a,b,a-=1,b-=2;
           ^
Main.cc:7:20: error: 'n' was not declared in this scope
     for(int i=3;i<=n;i++){
                    ^
Main.cc:14:5: error: 'n' was not declared in this scope
  if(n%2==0){
     ^