Compilare: main.cpp: In function 'char gaseste(long long int, long long int)': main.cpp:19:4: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(poz <= k) ^ main.cpp: In function 'int main()': main.cpp:143:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d\n", &k,&Q); ^ main.cpp:144:25: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(sir, k+2, fin); ^ main.cpp:156:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%lld", &x); ^