Compilare: main.cpp: In function 'bool Lac_valid(int, int)': main.cpp:58:39: warning: unused variable 'i' [-Wunused-variable] 58 | int k,lmin=inf,lmax=0,cmin=inf,cmax=0,i,j; | ^ main.cpp:58:41: warning: unused variable 'j' [-Wunused-variable] 58 | int k,lmin=inf,lmax=0,cmin=inf,cmax=0,i,j; | ^ main.cpp: In function 'int main()': main.cpp:121:10: warning: array subscript -1 is below array bounds of 'int [202][202]' [-Warray-bounds] 121 | sp[-1][i]=0; | ~~~~~^ main.cpp:14:21: note: while referencing 'sp' 14 | int n,mat[202][202],sp[202][202], sptot[202][202],drum[102][102]; | ^~ main.cpp:122:13: warning: array subscript -1 is below array bounds of 'int [202]' [-Warray-bounds] 122 | sp[i][-1]=0; | ~~~~~~~~^ main.cpp:14:21: note: while referencing 'sp' 14 | int n,mat[202][202],sp[202][202], sptot[202][202],drum[102][102]; | ^~