View Compilation Error

0_0_39394221_5890.cpp: In function 'void solve()':
0_0_39394221_5890.cpp:27:21: error: use of an operand of type 'bool' in 'operator++' is forbidden in C++17
   27 |             mp1[num2]++;
      |             ~~~~~~~~^
0_0_39394221_5890.cpp:31:21: error: use of an operand of type 'bool' in 'operator++' is forbidden in C++17
   31 |             mp2[num1]++;
      |             ~~~~~~~~^