View Compilation Error

0_0_33667540_10912.cpp: In function 'int main()':
0_0_33667540_10912.cpp:31:19: error: cannot convert 'std::pair<long long int, long long int>' to 'int' in assignment
                 j = a[q[tot]],k = a[q[tot-1]];
                   ^
0_0_33667540_10912.cpp:31:33: error: cannot convert 'std::pair<long long int, long long int>' to 'int' in assignment
                 j = a[q[tot]],k = a[q[tot-1]];
                                 ^