Compilare: main.cpp: In function 'void solve(int)': main.cpp:37:25: warning: unused variable 'cnt' [-Wunused-variable] int poz = 1, c = 1, cnt = 0; ^~~ main.cpp: In function 'int main()': main.cpp:54:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d ", &m); ^ main.cpp:55:36: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(s + 1, 2 * MAXN + 5, fin); ^