Compilare: main.cpp: In function 'int main()': main.cpp:46:13: warning: unused variable 'k' [-Wunused-variable] 46 | int n,m,i,j,k,ry,rx,jx,jy,t_min=2000000000,x_min,y_min; | ^ main.cpp:100:38: warning: 'y_min' may be used uninitialized [-Wmaybe-uninitialized] 100 | fout<<t_min<<" "<<x_min<<" "<<y_min<<'\n'; | ^~~~ main.cpp:46:50: note: 'y_min' was declared here 46 | int n,m,i,j,k,ry,rx,jx,jy,t_min=2000000000,x_min,y_min; | ^~~~~ main.cpp:100:26: warning: 'x_min' may be used uninitialized [-Wmaybe-uninitialized] 100 | fout<<t_min<<" "<<x_min<<" "<<y_min<<'\n'; | ^~~ main.cpp:46:44: note: 'x_min' was declared here 46 | int n,m,i,j,k,ry,rx,jx,jy,t_min=2000000000,x_min,y_min; | ^~~~~ main.cpp:85:4: warning: 'jy' may be used uninitialized [-Wmaybe-uninitialized] 85 | lee(jy,jx); | ~~~^~~~~~~ main.cpp:46:24: note: 'jy' was declared here 46 | int n,m,i,j,k,ry,rx,jx,jy,t_min=2000000000,x_min,y_min; | ^~ main.cpp:85:4: warning: 'jx' may be used uninitialized [-Wmaybe-uninitialized] 85 | lee(jy,jx); | ~~~^~~~~~~ main.cpp:46:21: note: 'jx' was declared here 46 | int n,m,i,j,k,ry,rx,jx,jy,t_min=2000000000,x_min,y_min; | ^~ main.cpp:83:4: warning: 'rx' may be used uninitialized [-Wmaybe-uninitialized] 83 | lee(ry,rx); | ~~~^~~~~~~ main.cpp:46:18: note: 'rx' was declared here 46 | int n,m,i,j,k,ry,rx,jx,jy,t_min=2000000000,x_min,y_min; | ^~ main.cpp:83:4: warning: 'ry' may be used uninitialized [-Wmaybe-uninitialized] 83 | lee(ry,rx); | ~~~^~~~~~~ main.cpp:46:15: note: 'ry' was declared here 46 | int n,m,i,j,k,ry,rx,jx,jy,t_min=2000000000,x_min,y_min; | ^~