View Compilation Error

0_0_37755821_9771.cpp: In function 'void solve()':
0_0_37755821_9771.cpp:26:10: error: 'idx' was not declared in this scope
    while(idx<in.size() && in[idx].fi<=ed){
          ^
0_0_37755821_9771.cpp:26:39: error: 'ed' was not declared in this scope
    while(idx<in.size() && in[idx].fi<=ed){
                                       ^
0_0_37755821_9771.cpp:30:35: error: 'ed' was not declared in this scope
    while(que.size() && que.top()==ed){
                                   ^