View Compilation Error

0_0_37823213_12143.cpp: In function 'int main()':
0_0_37823213_12143.cpp:86:8: error: redefinition of 'int main()'
 signed main() {
        ^
0_0_37823213_12143.cpp:43:8: note: 'int main()' previously defined here
 signed main() {
        ^
0_0_37823213_12143.cpp:90:12: error: 'T' was not declared in this scope
     while (T--) {
            ^
0_0_37823213_12143.cpp:91:15: error: 'solve' was not declared in this scope
         solve();
               ^