运行 ID: 41696

Main.cc: In function ‘int main()’:
Main.cc:8:10: error: expected unqualified-id before numeric constant
  for(int 1-2;i<=n-1;i++){
          ^
Main.cc:8:10: error: expected ‘;’ before numeric constant
Main.cc:8:14: error: ‘i’ was not declared in this scope
  for(int 1-2;i<=n-1;i++){
              ^
Main.cc:8:20: error: expected ‘)’ before ‘;’ token
  for(int 1-2;i<=n-1;i++){
                    ^
Main.cc:8:2: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
  for(int 1-2;i<=n-1;i++){
  ^~~
Main.cc:8:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
  for(int 1-2;i<=n-1;i++){
                     ^
Main.cc:8:21: error: ‘i’ was not declared in this scope