Compilare: main.cpp: In function 'int main()': main.cpp:31:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 31 | for(i=1;i<=m;i++) | ^~~ main.cpp:33:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 33 | a[p.x][p.y]=-1; | ^