Compilare: main.cpp: In function 'int main()': main.cpp:33:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("minim.in", "r", stdin) ; ^ main.cpp:34:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("minim.out", "w", stdout) ; ^ main.cpp:36:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n) ; ^ main.cpp:38:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]) ; ^ main.cpp: In function 'bool CalcSuma()': main.cpp:10:41: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] int sc(0), mn = 1e7, ffirst, first, last ; ^~~~