Compilare: user.cpp: In function ‘int rez1(int, int, int, int)’: user.cpp:14:14: warning: unused variable ‘ok’ [-Wunused-variable] int sol, ok; ^ user.cpp:15:11: warning: unused variable ‘e’ [-Wunused-variable] float e, r, t; ^ user.cpp:15:17: warning: unused variable ‘t’ [-Wunused-variable] float e, r, t; ^ user.cpp: In function ‘int main()’: user.cpp:105:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while( j < strlen(q) ){ ^ user.cpp: In function ‘int rez1(int, int, int, int)’: user.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:70:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ec.in","r",stdin); ^ user.cpp:71:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ec.out","w",stdout); ^ user.cpp:80:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:82:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&d); ^ user.cpp:87:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",q); ^