Eroare de compilare: user.cpp:5:11: error: ‘::main’ must return ‘int’ void main(){ ^ user.cpp: In function ‘int main()’: user.cpp:10:23: warning: too many arguments for format [-Wformat-extra-args] scanf("%d", &a, &b); ^ user.cpp:7:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("adunare.in", "r", stdin); ^ user.cpp:8:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("adunare.out", "r", stdout); ^ user.cpp:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a, &b); ^