Compilare: main.cpp: In function 'void backt(int)': main.cpp:23:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=m;++i) ^~~ main.cpp:25:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' ult[lvl+1]=j; ^~~ main.cpp: In function 'int main()': main.cpp:36:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;++i) ^~~ main.cpp:44:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if(n>m) ^~