답안 #1089690

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1089690 2024-09-16T22:17:17 Z urd05 커다란 상품 (IOI17_prize) C++17
컴파일 오류
0 ms 0 KB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;

typedef pair<int,int> P;
int n;
P save[200005];

P query(int i) {
    if (save[i].first!=-1) {
        return save[i];
    }
    vector<int> got=ask(i);
    return save[i]=P(got[0],got[1]);
}

vector<int> vec;

void solve(int l,int r,int k,int y) {
    if (l>r) {
        return;
    }
    int mid=(l+r)/2;
    P got=query(mid);
    if (got.first+got.second==n-1) {
        solve(l,mid-1,y-got.second,y);
        solve(mid+1,r,k-(y-got.second),got.second);
        return;
    }
    vec.push_back(mid);
    int cnt=1;
    for(int i=mid-1;i>=l;i--) {
        P got=query(i);
        if (got.first+got.second==n-1) {
            solve(l,i-1,y-got.second,y);
            solve(mid+1,r,k-(y-got.second)-cnt,got.second-cnt);
            return;
        }
    }
    solve(mid+1,r,k-cnt,y-cnt);
}

int find_best(int N) {
    n=N;
	for(int i = 0; i < n; i++) {
	    save[i]=P(-1,-1);
	}
	solve(0,n-1);
	for(int x:vec) {
	    if (query(x)==P(0,0)) {
	        return x;
	    }
	}
	return 0;
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:48:13: error: too few arguments to function 'void solve(int, int, int, int)'
   48 |  solve(0,n-1);
      |             ^
prize.cpp:19:6: note: declared here
   19 | void solve(int l,int r,int k,int y) {
      |      ^~~~~