View Compilation Error

0_0_39461365_7950.cpp: In function 'void solve()':
0_0_39461365_7950.cpp:75:15: error: a function-definition is not allowed here before '{' token
   75 | signed main() {
      |               ^
0_0_39461365_7950.cpp:90:2: error: expected '}' at end of input
   90 | }
      |  ^
0_0_39461365_7950.cpp:18:14: note: to match this '{'
   18 | void solve() {
      |              ^