Compilare: user.cpp: In function ‘int main()’: user.cpp:15:20: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[10001]’ [-Wformat=] scanf("%s" , &s); ^ user.cpp:10:15: warning: unused variable ‘j’ [-Wunused-variable] int n,m,i,j,nr,l,c,n1,k,cate=0; ^ user.cpp:8:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rezervatie.in" , "r" , stdin); ^ user.cpp:9:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rezervatie.out" , "w" , stdout); ^ user.cpp:13:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n,&m); ^ user.cpp:15:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s" , &s); ^ user.cpp:41:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d" , &n1); ^ user.cpp:45:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d" , &l, &c); ^