View Compilation Error

0_0_32136804_1771.cpp: In function 'int main()':
0_0_32136804_1771.cpp:35:7: error: 'i' was not declared in this scope
   for(i=1;i<=n;i++)            
       ^
0_0_32136804_1771.cpp:36:8: error: 'j' was not declared in this scope
    for(j=1;j<=n;j++){            
        ^
0_0_32136804_1771.cpp:38:5: error: 'd' was not declared in this scope
     d[i][j]=0;  
     ^
0_0_32136804_1771.cpp:40:5: error: 'd' was not declared in this scope
     d[i][j]=inf;        
     ^