Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
127621 张裕铭 对角线之和 C++ Compile Error 0 MS 0 KB 249 2025-07-28 15:59:07

Tests(0/0):

Code:

int a[100][100],n,m,sum=0; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ cin>>a[i][j]; } } for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ if(i==j||i+j==n+1) sum+=a[i][j]; } cout<<sum; } return 0; }

Run Info:

Main.cc:3:2: error: 'cin' does not name a type
  cin>>n;
  ^
Main.cc:4:2: error: expected unqualified-id before 'for'
  for(int i=1;i<=n;i++){
  ^
Main.cc:4:14: error: 'i' does not name a type
  for(int i=1;i<=n;i++){
              ^
Main.cc:4:19: error: 'i' does not name a type
  for(int i=1;i<=n;i++){
                   ^
Main.cc:9:2: error: expected unqualified-id before 'for'
  for(int i=1;i<=n;i++){
  ^
Main.cc:9:14: error: 'i' does not name a type
  for(int i=1;i<=n;i++){
              ^
Main.cc:9:19: error: 'i' does not name a type
  for(int i=1;i<=n;i++){
                   ^
Main.cc:16:2: error: expected unqualified-id before 'return'
  return 0;
  ^
Main.cc:17:1: error: expected declaration before '}' token
 }
 ^