permutation.cpp: In function 'void solve(int)':
permutation.cpp:8:5: error: expected ',' or ';' before 'answer'
answer(v);
^~~~~~
stub.cpp: In function 'int query(int*)':
stub.cpp:15:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
fscanf(stdin, "%d", &x);
~~~~~~^~~~~~~~~~~~~~~~~
stub.cpp: In function 'int main(int, char**)':
stub.cpp:48:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
fscanf(stdin, "%d", &N);
~~~~~~^~~~~~~~~~~~~~~~~