Compilare: user.cpp: In function ‘void Going(int, int)’: user.cpp:11:10: warning: unused variable ‘i’ [-Wunused-variable] int x,y,i,j; ^ user.cpp:11:12: warning: unused variable ‘j’ [-Wunused-variable] int x,y,i,j; ^ user.cpp: In function ‘void Going2(int, int)’: user.cpp:41:10: warning: unused variable ‘i’ [-Wunused-variable] int x,y,i,j; ^ user.cpp:41:12: warning: unused variable ‘j’ [-Wunused-variable] int x,y,i,j; ^ user.cpp: In function ‘void Going3(int, int)’: user.cpp:70:10: warning: unused variable ‘i’ [-Wunused-variable] int x,y,i,j; ^ user.cpp:70:12: warning: unused variable ‘j’ [-Wunused-variable] int x,y,i,j; ^ user.cpp: In function ‘int main()’: user.cpp:99:13: warning: unused variable ‘x’ [-Wunused-variable] int i,j,x,ii,p,y; ^ user.cpp:99:15: warning: unused variable ‘ii’ [-Wunused-variable] int i,j,x,ii,p,y; ^ user.cpp:99:20: warning: unused variable ‘y’ [-Wunused-variable] int i,j,x,ii,p,y; ^ user.cpp:100:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(in); ^ user.cpp:101:17: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(out); ^ user.cpp:102:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:105:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&A[i][j]); ^