Compilare: user.cpp: In function ‘int main()’: user.cpp:26:41: warning: variable ‘tata1’ set but not used [-Wunused-but-set-variable] int n, m, i, suma=0, u=0, muchii=0, tata1, tata2; ^ user.cpp:26:48: warning: variable ‘tata2’ set but not used [-Wunused-but-set-variable] int n, m, i, suma=0, u=0, muchii=0, tata1, tata2; ^ user.cpp:24:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("apm.in","r",stdin); ^ user.cpp:25:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("apm.out","w",stdout); ^ user.cpp:27:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:30:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&e[i].a,&e[i].b,&e[i].w); ^