Submission #798624

#	Time	Username	Problem	Language	Result	Execution time	Memory
798624		bane	Watering can (POI13_kon)	C++17	10 / 100	2609 ms	16432 KiB

kon

#include <iostream>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <string>
#include <string.h>
#include <bitset>
#include <numeric>
#include <utility>
using namespace std;
#define ll long long
const int nax = 300'001;
const int sq = 500;
ll N, K, t[nax], zers[nax];

vector<ll>SQE[500];
vector<ll>ps[500];


void inicjuj(int n, int k, int *D)
{
       for (int i = 0; i < n; i++)
       {  
            t[i] = D[i];
            SQE[i / sq].push_back(t[i]);
        }
        N = n, K = k;

        for (int i = 0; i <= n / sq; i++){
            ps[i].resize(SQE[i].size());
            sort(SQE[i].begin(), SQE[i].end());
            SQE[i].erase(unique(SQE[i].begin(),SQE[i].end()),SQE[i].end());
            for (int j = i * sq; j < n && j /sq == i; j++){
                int pos = lower_bound(SQE[i].begin(), SQE[i].end(), t[j]) - SQE[i].begin();
                ps[i][pos]++;
            }
            for (int j = ps[i].size() - 2; j >= 0; j--){
                ps[i][j] += ps[i][j + 1];
            }
        }
}

void podlej(int a, int b)
{
    //--a,--b;
    for (int i = a / sq; i * sq <=  b; i++){
       // cout << i << endl;
        if (a <= i * sq && b >= (i + 1) * sq - 1){
            zers[i]++;
        }else{
            SQE[i].clear();
            for (int j = max(a,300*i); j / sq == i && j <= b; j++){
                t[j]+=zers[i];
                SQE[i].push_back(t[j] + 1);
                t[j]++;
            }
            zers[i] = 0;
            sort(SQE[i].begin(), SQE[i].end());
            SQE[i].erase(unique(SQE[i].begin(),SQE[i].end()),SQE[i].end());
            ps[i].clear();
            ps[i].resize(SQE[i].size());
            for (int j = max(a,300*i); j / sq == i && j <= b; j++){
                int pos = lower_bound(SQE[i].begin(), SQE[i].end(), t[j]) - SQE[i].begin();
                ps[i][pos]++;
            } 
            for (int j = ps[i].size() - 2; j >= 0; j--){
                ps[i][j] += ps[i][j + 1];
            }
        }
    }
}

int dojrzale(int a, int b)
{
   // --a,--b;
    int ans = 0;
    
   
    for (int i = a / sq; i * sq <= b; i++){
        if (a <= i * sq && b >= (i + 1) * sq - 1){
            int pos = lower_bound(SQE[i].begin(), SQE[i].end(), K - zers[i]) - SQE[i].begin();
            if (pos < SQE[i].size())ans += ps[i][pos];
        }else{
           for (int j = max(a, i * 300); j / sq == i && j <= b; j++){
                if (t[j] + zers[i] >= K)++ans;
           }
        }
    } 
    return ans;
}

Compilation message (stderr)

kon.cpp: In function 'int dojrzale(int, int)':
kon.cpp:86:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |             if (pos < SQE[i].size())ans += ps[i][pos];
      |                 ~~~~^~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10