Compilare: user.cpp: In function ‘int main()’: user.cpp:16:33: warning: unused variable ‘xc’ [-Wunused-variable] int XP, YP, xg, yg, xp, yp, xc, yc, XL, XR, YD, YU; ^ user.cpp:16:37: warning: unused variable ‘yc’ [-Wunused-variable] int XP, YP, xg, yg, xp, yp, xc, yc, XL, XR, YD, YU; ^ user.cpp:16:41: warning: unused variable ‘XL’ [-Wunused-variable] int XP, YP, xg, yg, xp, yp, xc, yc, XL, XR, YD, YU; ^ user.cpp:16:45: warning: unused variable ‘XR’ [-Wunused-variable] int XP, YP, xg, yg, xp, yp, xc, yc, XL, XR, YD, YU; ^ user.cpp:16:49: warning: unused variable ‘YD’ [-Wunused-variable] int XP, YP, xg, yg, xp, yp, xc, yc, XL, XR, YD, YU; ^ user.cpp:16:53: warning: unused variable ‘YU’ [-Wunused-variable] int XP, YP, xg, yg, xp, yp, xc, yc, XL, XR, YD, YU; ^ user.cpp:18:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(inFile, "r", stdin); ^ user.cpp:19:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(outFile, "w", stdout); ^ user.cpp:20:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &XP, &YP); ^ user.cpp:22:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &xg, &yg); ^ user.cpp:23:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &xp, &yp); ^ user.cpp:24:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &m); ^ user.cpp:28:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &aux); ^ user.cpp:33:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:37:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &aux); ^