Compilare: user.cpp: In function ‘int cautabin(interval)’: user.cpp:40:9: warning: unused variable ‘st’ [-Wunused-variable] int st=plm.y,dr=plm.x; ^ user.cpp: In function ‘int main()’: user.cpp:53:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x,y; ^ user.cpp:53:13: warning: unused variable ‘x’ [-Wunused-variable] int i,j,x,y; ^ user.cpp:53:15: warning: unused variable ‘y’ [-Wunused-variable] int i,j,x,y; ^ user.cpp:54:10: warning: unused variable ‘exista1’ [-Wunused-variable] bool exista1=0,exista2=0; ^ user.cpp:54:20: warning: unused variable ‘exista2’ [-Wunused-variable] bool exista1=0,exista2=0; ^ user.cpp:51:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("licenta.in","r",stdin); ^ user.cpp:52:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("licenta.out","w",stdout); ^ user.cpp:55:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:56:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:58:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&altu[i].x,&altu[i].y); ^ user.cpp:72:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:74:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&altu[i].x,&altu[i].y); ^