运行 ID: 46521

Main.cc: In function ‘int main()’:
Main.cc:5:10: error: redeclaration of ‘int n’
  int n,m,n,1,m1,n2,m2,s1=0,s2=0;
          ^
Main.cc:5:6: note: ‘int n’ previously declared here
  int n,m,n,1,m1,n2,m2,s1=0,s2=0;
      ^
Main.cc:5:12: error: expected unqualified-id before numeric constant
  int n,m,n,1,m1,n2,m2,s1=0,s2=0;
            ^
Main.cc:7:7: error: ‘n1’ was not declared in this scope
  cin>>n1>>m1>>n2>>m2;
       ^~
Main.cc:7:7: note: suggested alternative: ‘n’
  cin>>n1>>m1>>n2>>m2;
       ^~
       n
Main.cc:7:11: error: ‘m1’ was not declared in this scope
  cin>>n1>>m1>>n2>>m2;
           ^~
Main.cc:7:11: note: suggested alternative: ‘m’
  cin>>n1>>m1>>n2>>m2;
           ^~
           m
Main.cc:7:15: error: ‘n2’ was not declared in this scope
  cin>>n1>>m1>>n2>>m2;
               ^~
Main.cc:7:15: note: suggested alternative: ‘n’
  cin>>n1>>m1>>n2>>m2;
               ^~
               n
Main.cc:7:19: error: ‘m2’ was not declared in this scope
  cin>>n1>>m1>>n2>>m2;
                   ^~
Main.cc:7:19: note: suggested alternative: ‘m’
  cin>>n1>>m1>>n2>>m2;
                   ^~
                   m
Main.cc:8:2: error: ‘s1’ was not declared in this scope
  s1=(n1-1+m1-1)+(n-n2+m-m2);
  ^~
Main.cc:8:2: note: suggested alternative: ‘y1’
  s1=(n1-1+m1-1)+(n-n2+m-m2);
  ^~
  y1
Main.cc:9:2: error: ‘s2’ was not declared in this scope
  s2=(n2-1+m2-1)+(n-n1+m-m1);
  ^~