Compilare: user.cpp: In function ‘int main()’: user.cpp:113:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("joc19.in", "r", stdin); ^ user.cpp:114:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("joc19.out", "w", stdout); ^ user.cpp:116:66: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &a[i][1], &a[i][2], &a[i][3], &a[i][4]); ^ user.cpp:118:66: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &b[i][1], &b[i][2], &b[i][3], &b[i][4]); ^