Compilare: main.cpp: In function 'int main()': main.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cufar.in","r",stdin); ^ main.cpp:36:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cufar.out","w",stdout); ^ main.cpp:38:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &cer, &t); ^ main.cpp:43:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp:51:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp: In function 'void ciurr()': main.cpp:19:19: warning: iteration 1000003 invokes undefined behavior [-Waggressive-loop-optimizations] if(!ciur[i]) ~~~~~~^ main.cpp:18:18: note: within this loop for(int i=2;i<=NMAX;i++) ~^~~~~~