Submission #993417

#	Time	Username	Problem	Language	Result	Execution time	Memory
993417		lacito	Robots (IOI13_robots)	C++14	14 / 100	182 ms	24008 KiB

robots

#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
const int Max = 1e6 + 5;
const int M = 5e4 + 5;
typedef long long ll;
vector<pair<ll,ll>> v;
ll a[M], b[M];
int siza, sizb;
bool sol(ll mid) {
    ll cnt = 0;
    int indx = siza-1;
 //   cout << mid << 'p' << endl;
    for(int i = v.size()-1; i >= 0; i--) {
   //     cout << v[i].first << ' ' << i << ' ' << indx << ' ' <<  a[indx] << 'o' << endl;
        if(indx < 0) return false;
        if(v[i].first >= a[indx]) {
            return false;
        }
        else {
            cnt++;
          //  cout << cnt << 'i' << endl;
            if(cnt == mid) {
                cnt = 0; indx--;
            }
        }
    }
    //cout << 'Y' << endl;
    return true;
}
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    for(int i = 0; i < A; i++) a[i] = X[i];
    for(int i = 0; i < B; i++) b[i] = Y[i];
    siza = A; sizb = B;
    sort(a,a+A); sort(b,b+B);
    for(int i = 0; i < T; i++) {
        v.push_back({W[i],0});
    }
    sort(v.begin(),v.end());
    ll l = 0, r = 10000000000;
    ll ans = -1;
    while(l + 1 < r) {
        ll mid = (l+r)/2;
        if(sol(mid) == true) {
            r = mid;
            ans = mid;
        }
        else {
            l = mid;
        }
    }
    return ans;
}

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