View Compilation Error

0_0_30701356_8154.cpp: In function 'int Mincost(int, int)':
0_0_30701356_8154.cpp:83:23: error: 'no' was not declared in this scope
             now = pre[no
                       ^
0_0_30701356_8154.cpp:83:23: error: expected ']' at end of input
0_0_30701356_8154.cpp:83:23: error: expected '}' at end of input
0_0_30701356_8154.cpp:83:23: error: expected '}' at end of input
0_0_30701356_8154.cpp:83:23: error: expected '}' at end of input