View Compilation Error

0_0_36591927_6617.cpp: In function 'int main()':
0_0_36591927_6617.cpp:26:29: error: 'INF' was not declared in this scope
             d[i][j]= i==j?0:INF;
                             ^
0_0_36591927_6617.cpp:37:33: error: 'INF' was not declared in this scope
                 d[i][j]=d[j][i]=INF;
                                 ^
0_0_36591927_6617.cpp:56:20: error: 'INF' was not declared in this scope
         if(d[i][k]<INF&&d[k][j]<INF&&d[i][j]>d[i][k]+d[k][j]){
                    ^
0_0_36591927_6617.cpp:60:21: error: 'INF' was not declared in this scope
         if(d[0][n]==INF) printf("can't be saved\n");
                     ^