View Compilation Error

0_0_37557724_22632.cpp: In function 'int main()':
0_0_37557724_22632.cpp:28:20: error: 'inf' was not declared in this scope
             d[i] = inf;
                    ^
0_0_37557724_22632.cpp:62:21: error: 'inf' was not declared in this scope
         if (d[N] != inf)
                     ^