제출 #585855

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
585855		Dan4Life	로봇 (IOI13_robots)	C++17	14 / 100	270 ms	19776 KiB

robots

#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int,int>
#define fi first 
#define se second
#define all(a) a.begin(), a.end()
#define sz(a) (int)a.size()
const int INF = (int)1e9;
vector<pii> weak, small, toy;

bool work(int i, int j, int type){
    if(type==0) return weak[i].fi>toy[j].fi;    
    return small[i].se>toy[j].se;
}

bool chk(int x){
    int j = -1, cnt = 0; bool ok = true;
    for(int i = 0; i < sz(toy); i++){
        if(i%x==0) j++;
        ok&=(work(j,i,0));
    }
    return ok;
}

int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    for(int i = 0; i < A; i++) weak.pb({X[i],INF});
    for(int i = 0; i < B; i++) small.pb({INF,Y[i]});
    for(int i = 0; i < T; i++) toy.pb({W[i],S[i]});
    sort(all(weak)), sort(all(small)), sort(all(toy));
    reverse(all(weak)), reverse(all(small)), reverse(all(toy));
    if(!work(0,0,0)) return -1;
    int l = (T+A-1)/A, r = T;
    while(l<r){
        int mid = (l+r)/2;
        if(chk(mid)) r=mid;
        else l=mid+1;
    }
    return l;
}

컴파일 시 표준 에러 (stderr) 메시지

robots.cpp: In function 'bool chk(int)':
robots.cpp:19:17: warning: unused variable 'cnt' [-Wunused-variable]
   19 |     int j = -1, cnt = 0; bool ok = true;
      |                 ^~~

• Subtask 1: 0 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 25
• Subtask 4: 0 / 37
• Subtask 5: 0 / 10