| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 108895 | DodgeBallMan | Robots (IOI13_robots) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "robots.h"
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
vector<pii> all;
int a, b, t, x[50010], y[50010];
bool check( int mid, int &w, int &s ) {
priority_queue<pii> q;
vector<bool> chk( t );
int j = 0;
for( int i = 0 ; i < a ; i++ ) {
int now = 0;
while( j < t && all[j].x < x[i] ) q.emplace( pii( all[j].y, j ) ), j++;
while( !q.empty() && now < mid ) chk[q.top().y] = 1, q.pop(), now++;
}
for( ; j < t ; j++ ) q.emplace( pii( all[j].y, j ) );
for( int i = b - 1 ; i >= 0 ; i-- ) {
int now = 0;
while( now < mid && !q.empty() ) {
pii temp = q.top(); q.pop();
if( temp.x < y[i] ) now++, chk[temp.y] = 1;
}
}
for( int i = 0 ; i < t ; i++ ) if( !chk[i] ) return false;
return true;
}
int putaway( int A, int B, int T, int X[], int Y[], int w[], int s[] ) {
a = A, b = B, t = T;
for( int i = 0 ; i < a ; i++ ) x[i] = X[i];
for( int i = 0 ; i < b ; i++ ) y[i] = Y[i];
for( int i = 0 ; i < t ; i++ ) all.emplace_back( pii( w[i], s[i] ) );
sort( all.begin(), all.end() ), sort( x, x + a ), sort( y, y + b );
int l = 0, r = t;
while( l < r ) {
int mid = ( l + r + 1 ) >> 1;
if( check( mid ) ) r = mid;
else l = mid + 1;
}
if( !check( l ) ) return -1;
else return l;
}
// int main()
// {
// int n = 500, m = 100;
// int a, b, t, x[n], y[n], w[m], s[m];
// scanf("%d %d %d",&a,&b,&t);
// for( int i = 0 ; i < a ; i++ ) scanf("%d",&x[i]);
// for( int i = 0 ; i < b ; i++ ) scanf("%d",&y[i]);
// for( int i = 0 ; i < t ; i++ ) scanf("%d",&w[i]);
// for( int i = 0 ; i < t ; i++ ) scanf("%d",&s[i]);
// cout << putaway( a, b, t, x, y, w, s );
// }