Compilare: main.cpp: In function 'bool poss(long long int)': main.cpp:18:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(ss>=m) ^~ main.cpp:20:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(nr>=k) ^~ main.cpp: In function 'long long int cbb(long long int)': main.cpp:31:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(ans[pos].s==1 && pos) ^~ main.cpp:34:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' ans[pos].s=1; ^~~ main.cpp: At global scope: main.cpp:37:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] main() ^ main.cpp: In function 'int main()': main.cpp:39:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^