Submission #108891

#	Time	Username	Problem	Language	Result	Execution time	Memory
108891		DodgeBallMan	Robots (IOI13_robots)	C++14	Compilation error	0 ms	0 KiB

robots

#include <bits/stdc++.h>
#include "robots.h"
#define pii pair<int, int>
#define x first
#define y second 

using namespace std;

const int N = 1e6 + 10;
vector<pii> all;
int chk[N], a, b, t, x[50010], y[50010], w[N], s[N];

bool check( int mid ) {
    priority_queue<pii> q;
    memset( chk, 0, sizeof chk );
    int j = 0, cc = 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++ ) w[i] = W[i], s[i] = S[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, a, b, t, x, y, w, s ) ) 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 );
// }

Compilation message (stderr)

robots.cpp: In function 'bool check(int)':
robots.cpp:16:16: warning: unused variable 'cc' [-Wunused-variable]
     int j = 0, cc = 0;
                ^~
robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:47:40: error: too many arguments to function 'bool check(int)'
     if( !check( l, a, b, t, x, y, w, s ) ) return -1;
                                        ^
robots.cpp:13:6: note: declared here
 bool check( int mid ) {
      ^~~~~