Compilare: main.cpp: In function 'bool verif(int, int, int)': main.cpp:10:21: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 10 | int masca= 1<<u -1; | ~~^~ main.cpp:11:27: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses] 11 | if((T&masca)^(P&masca)==masca)return true; | ~~~~~~~~~^~~~~~~ main.cpp: In function 'void lee(int, int, int)': main.cpp:27:33: warning: array subscript -1 is below array bounds of 'int [4]' [-Warray-bounds] 27 | lee(i + di[p] , j + dj[p] , lg + 1); | ~~~~^ main.cpp:7:26: note: while referencing 'dj' 7 | int di[4]={-1, 0, 1, 0}, dj[4]={0, 1, 0, -1}; | ^~ main.cpp:27:21: warning: array subscript -1 is below array bounds of 'int [4]' [-Warray-bounds] 27 | lee(i + di[p] , j + dj[p] , lg + 1); | ~~~~^ main.cpp:7:5: note: while referencing 'di' 7 | int di[4]={-1, 0, 1, 0}, dj[4]={0, 1, 0, -1}; | ^~ main.cpp: In function 'int main()': main.cpp:81:8: warning: 'L' may be used uninitialized [-Wmaybe-uninitialized] 81 | lee(l, c, L); | ~~~^~~~~~~~~ main.cpp:80:20: note: 'L' was declared here 80 | if(cer==2){int L; | ^