Submission #426960

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
426960	2021-06-14 11:14:24	arayi	Robots (IOI13_robots)	C++17	76 / 100	173 ms	65540 KiB

robots

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#include "robots.h"
#include <bits/stdc++.h>
#define MP make_pair
#define sc second
#define ad push_back
#define fr first
using namespace std;
const int N = 2e6 + 30;
long long n, m, t;
long long x[N], y[N], w[N], s[N], col[N], sm[N];
pair<long long, long long> a[N], b[N];
vector<long long> g[N];
bool stg(long long k)
{
    for (long long i = 0; i <= m + 1; i++) sm[i] = 0;
    priority_queue <long long> q;
    long long i1 = 0;
    for (long long i = n; i >= 0; i--)
    {
        for(auto p : g[i]) q.push(-col[p]);
        while(q.size() > i1) sm[-q.top()]++, q.pop();
        i1+=k;
    }
    i1 = 0;
    for (long long i = m; i >= 0; i--)
    {
        sm[i] += sm[i+1];
        if(sm[i] > i1) return 0;
        i1+=k;
 
 
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Compilation message (stderr)

robots.cpp: In function 'bool stg(long long int)':
robots.cpp:22:24: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   22 |         while(q.size() > i1) sm[-q.top()]++, q.pop();
      |               ~~~~~~~~~^~~~

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