Compilare: main.cpp: In function 'int main()': main.cpp:27:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 27 | for (i=1;i<=n;i++) | ^~~ main.cpp:36:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 36 | for (i=0;i<=n+1;i++)mat[i][0]=mat[n+1][i]=mat[i][n+1]=mat[0][i]=1; | ^~~