Compilare: user.cpp: In function ‘void solve()’: user.cpp:20:55: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (din[j] < mini2 || din[j] == mini2 && a[j] <= a[pos]) { ^ user.cpp: In function ‘int main()’: user.cpp:40:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsir2.in", "r", stdin); ^ user.cpp:41:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsir2.out", "w", stdout); ^ user.cpp:43:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:45:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ user.cpp: In function ‘void solve()’: user.cpp:20:71: warning: ‘pos’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (din[j] < mini2 || din[j] == mini2 && a[j] <= a[pos]) { ^