Compilare: main.cpp: In function 'int caut_bin(int, int)': main.cpp:46:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pas + pos < prime[nrdiv].size() && prime[nrdiv][pas + pos] <= limit) ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int solve()': main.cpp:54:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &n, &k) ; ^ main.cpp: In function 'int main()': main.cpp:63:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &querrys) ; ^ main.cpp: In function 'void ciur()': main.cpp:17:17: warning: iteration 500001 invokes undefined behavior [-Waggressive-loop-optimizations] if (!sieve[i]) { ~~~~~~~^ main.cpp:16:18: note: within this loop for (i = 3 ; i <= MV ; i += 2) { ~~^~~~~