Submission #198702

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
198702	2020-01-27 11:04:45	arnold518	Robots (IOI13_robots)	C++14	100 / 100	2085 ms	26944 KiB

robots

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#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 5e4;
const int MAXT = 1e6;
struct Toy { int W, S; };
int A, B, T, X[MAXN+10], Y[MAXN+10];
Toy toy[MAXT+10];
bool decide(int x)
{
    int i, j, k;
    priority_queue<int> PQ;
    for(i=1, j=1; i<=A; i++)
    {
        for(; j<=T && toy[j].W<X[i]; j++) PQ.push(toy[j].S);
        for(k=0; k<x && !PQ.empty(); k++) PQ.pop();
    }
    for(; j<=T; j++) PQ.push(toy[j].S);
    vector<int> V;
    while(!PQ.empty()) V.push_back(PQ.top()), PQ.pop();
    reverse(V.begin(), V.end());
 
 
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Compilation message (stderr)

robots.cpp: In function 'bool decide(int)':
robots.cpp:35:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(; j<V.size() && V[j]<Y[i]; j++) sz++;
               ~^~~~~~~~~
robots.cpp:38:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(; j<V.size(); j++) sz++;
           ~^~~~~~~~~
robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:59:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         int mid=lo+hi>>1;
                 ~~^~~
robots.cpp:46:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^

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