Submission #61939

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
61939	2018-07-27T05:56:57 Z	koosaga(#1793)	popa (BOI18_popa)	C++11	Compilation error	0 ms	0 KB

popa

#include <bits/stdc++.h>
#include "popa.h"
using namespace std;
typedef pair<int, int> pi;
typedef long long lint;

pi range(int v, int *l, int *r){
	pi ret(v, v);
	if(l[v] != -1) ret.first = range(l[v], l, r).first;
	if(r[v] != -1) ret.second = range(r[v], l, r).second;
	return ret;
}

int solve(int N, int *l, int *r){
	for(int i=0; i<N; i++) l[i] = r[i] = -1;
	int cur_root = 0;
	for(int i=1; i<N; i++){
		vector<int> v;
		for(int j=cur_root; j!=-1; j=r[j]){
			v.push_back(j);
		}
		while(v.size()){
			auto l = range(v.back());
			if(query(l.first, l.second + 1, v.back(), v.back()) == 1){
				break;
			}
			else v.pop_back();
		}
		if(v.empty()){
			l[i] = cur_root;
			cur_root = i;
		}
		else{
			r[v.back()] = i;
		}
	}
}

Compilation message

popa.cpp: In function 'int solve(int, int*, int*)':
popa.cpp:23:27: error: too few arguments to function 'pi range(int, int*, int*)'
    auto l = range(v.back());
                           ^
popa.cpp:7:4: note: declared here
 pi range(int v, int *l, int *r){
    ^~~~~
popa.cpp:37:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^