Compilare: user.cpp: In function ‘int main()’: user.cpp:68:11: warning: unused variable ‘x’ [-Wunused-variable] int i,x,y,t[15][2],pont; ^ user.cpp:68:13: warning: unused variable ‘y’ [-Wunused-variable] int i,x,y,t[15][2],pont; ^ user.cpp:68:24: warning: unused variable ‘pont’ [-Wunused-variable] int i,x,y,t[15][2],pont; ^ user.cpp:69:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:70:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&m); ^ user.cpp:71:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&k); ^ user.cpp:74:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&t[i][0]); ^ user.cpp:75:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&t[i][1]); ^