View Compilation Error

0_0_36659442_18493.cpp: In function 'void solve()':
0_0_36659442_18493.cpp:2:13: error: expected primary-expression before 'long'
 #define int long long
             ^
0_0_36659442_18493.cpp:53:23: note: in expansion of macro 'int'
             if (pos < int(v[i].size()) && v[i][pos] <= N) {
                       ^
0_0_36659442_18493.cpp:2:13: error: expected ')' before 'long'
 #define int long long
             ^
0_0_36659442_18493.cpp:53:23: note: in expansion of macro 'int'
             if (pos < int(v[i].size()) && v[i][pos] <= N) {
                       ^
0_0_36659442_18493.cpp: At global scope:
0_0_36659442_18493.cpp:65:10: error: '::main' must return 'int'
 int main() {
          ^