Compilare: main.cpp: In function 'void lee()': main.cpp:34:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(a[x][y]!=a[nx][ny]) ^~ main.cpp:38:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if((rec[nx][ny]==-1 || rec[nx][ny]>nr+rec[x][y])&&(nx!=1||ny!=1)) ^~ main.cpp:47:30: warning: statement has no effect [-Wunused-value] dist[nx][ny]==1+dist[x][y]; ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j=1;j<=m;++j) ^~~ main.cpp:66:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' cin.get(c); ^~~