Compilare: user.cpp: In function ‘int main()’: user.cpp:59:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pic.in", "r", stdin); ^ user.cpp:60:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pic.out", "w", stdout); ^ user.cpp:61:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld\n%lld\n", &v, &m); ^ user.cpp:64:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {scanf("%lld ", &cap[i][j]); captot+=cap[i][j];} ^ user.cpp: In function ‘int cerinta1()’: user.cpp:16:12: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^ user.cpp: In function ‘long long int cautbin()’: user.cpp:54:12: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] return p; ^