Compilare: user.cpp: In function ‘int main()’: user.cpp:44:17: warning: unused variable ‘l’ [-Wunused-variable] { int n,i,j,k,l,m,a,sum=INFMARE; ^ user.cpp:44:19: warning: unused variable ‘m’ [-Wunused-variable] { int n,i,j,k,l,m,a,sum=INFMARE; ^ user.cpp: In function ‘void bkt(int, int, int, int, int)’: user.cpp:38:30: warning: iteration 2u invokes undefined behavior [-Waggressive-loop-optimizations] if(sm[k-1][i+dx[f]][j+dy[f]]==s-mat[k][i][j]) ^ user.cpp:37:9: note: containing loop for(int f=0;f<=3;f++) ^ user.cpp:38:30: warning: iteration 2u invokes undefined behavior [-Waggressive-loop-optimizations] if(sm[k-1][i+dx[f]][j+dy[f]]==s-mat[k][i][j]) ^ user.cpp:37:9: note: containing loop for(int f=0;f<=3;f++) ^ user.cpp:38:30: warning: iteration 2u invokes undefined behavior [-Waggressive-loop-optimizations] if(sm[k-1][i+dx[f]][j+dy[f]]==s-mat[k][i][j]) ^ user.cpp:37:9: note: containing loop for(int f=0;f<=3;f++) ^ user.cpp:38:30: warning: iteration 2u invokes undefined behavior [-Waggressive-loop-optimizations] if(sm[k-1][i+dx[f]][j+dy[f]]==s-mat[k][i][j]) ^ user.cpp:37:9: note: containing loop for(int f=0;f<=3;f++) ^ user.cpp: In function ‘int main()’: user.cpp:38:30: warning: iteration 2u invokes undefined behavior [-Waggressive-loop-optimizations] if(sm[k-1][i+dx[f]][j+dy[f]]==s-mat[k][i][j]) ^ user.cpp:37:9: note: containing loop for(int f=0;f<=3;f++) ^ user.cpp:38:30: warning: iteration 2u invokes undefined behavior [-Waggressive-loop-optimizations] if(sm[k-1][i+dx[f]][j+dy[f]]==s-mat[k][i][j]) ^ user.cpp:37:9: note: containing loop for(int f=0;f<=3;f++) ^ user.cpp:38:30: warning: iteration 2u invokes undefined behavior [-Waggressive-loop-optimizations] if(sm[k-1][i+dx[f]][j+dy[f]]==s-mat[k][i][j]) ^ user.cpp:37:9: note: containing loop for(int f=0;f<=3;f++)