oj.uz

Submission #1113173

# Submission time Handle Problem Language Result Execution time Memory
1113173 2024-11-16T02:01:52 Z lucascgar Fortune Telling 2 (JOI14_fortune_telling2) C++17
4 / 100
 195 ms 262144 KB 
#include <bits/stdc++.h>

using namespace std;

/*
foco no cara da esquerda ativado ou nn

query so na esquerda: desligo
na direita: mudo
*/

typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long double, long double> pdd;

const int MAXN = 5e4+10, MAXTT = 2*MAXN;

int s[MAXN], l[MAXN];

bitset<MAXN> r;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, k;
    cin >> n >> k;
    int a, b;

    vector<pii> ord;

    for (int i=1;i<=n;i++){
        cin >> a >> b;
        s[i] = min(a,b), l[i] = max(a,b);
        if (a<b) r[i]=1;
        ord.emplace_back(l[i], i);
        ord.emplace_back(s[i], i);

    }

    sort(ord.begin(), ord.end());

    vector<bitset<MAXN>> es(ord.size()+1, bitset<MAXN>(0)), di(ord.size()+1, bitset<MAXN>(0));

    vector<int> count(ord.size());
    int cnt = 1;
    es[1].flip();
    for (int i=0;i<ord.size();i++){
        if (i>0 && ord[i].first != ord[i-1].first){
            cnt++;
            es[cnt] = es[cnt-1], di[cnt]=di[cnt-1];
        }
        count[i] = cnt;
        auto [v, x] = ord[i];

        if (v == s[x]){
            es[cnt][x] =0;
        }else{
            es[cnt][x] = 1;
            di[cnt][x]=1;
        }

    }

    int t;
    for (int i=1;i<=k;i++){
        cin >> t;
        pii srch = {t+1, -1};
        int pos = upper_bound(ord.begin(), ord.end(), srch) - ord.begin() - 1;
        if (pos<0) continue;
        int v = count[pos];
        r = r^di[v];
        r = r&es[v];
        // cerr << es[v][1] << ' ' << di[v][1] << '\n';

    }

    long long ss = 0;
    for (int i=1;i<=n;i++){
        if (r[i] == 1) ss += s[i];
        else ss+=l[i];
    }    

    cout << ss << '\n';

    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:48:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     for (int i=0;i<ord.size();i++){
      |                  ~^~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2896 KB Output is correct
2 Correct 10 ms 12624 KB Output is correct
3 Correct 19 ms 24912 KB Output is correct
4 Correct 19 ms 24912 KB Output is correct
5 Correct 18 ms 24912 KB Output is correct
6 Correct 20 ms 24924 KB Output is correct
7 Correct 17 ms 24912 KB Output is correct
8 Correct 18 ms 24912 KB Output is correct
9 Correct 18 ms 24912 KB Output is correct
10 Correct 18 ms 24912 KB Output is correct
11 Correct 21 ms 24796 KB Output is correct
12 Correct 17 ms 25080 KB Output is correct
13 Correct 21 ms 24912 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2896 KB Output is correct
2 Correct 10 ms 12624 KB Output is correct
3 Correct 19 ms 24912 KB Output is correct
4 Correct 19 ms 24912 KB Output is correct
5 Correct 18 ms 24912 KB Output is correct
6 Correct 20 ms 24924 KB Output is correct
7 Correct 17 ms 24912 KB Output is correct
8 Correct 18 ms 24912 KB Output is correct
9 Correct 18 ms 24912 KB Output is correct
10 Correct 18 ms 24912 KB Output is correct
11 Correct 21 ms 24796 KB Output is correct
12 Correct 17 ms 25080 KB Output is correct
13 Correct 21 ms 24912 KB Output is correct
14 Correct 193 ms 245896 KB Output is correct
15 Runtime error 195 ms 262144 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2896 KB Output is correct
2 Correct 10 ms 12624 KB Output is correct
3 Correct 19 ms 24912 KB Output is correct
4 Correct 19 ms 24912 KB Output is correct
5 Correct 18 ms 24912 KB Output is correct
6 Correct 20 ms 24924 KB Output is correct
7 Correct 17 ms 24912 KB Output is correct
8 Correct 18 ms 24912 KB Output is correct
9 Correct 18 ms 24912 KB Output is correct
10 Correct 18 ms 24912 KB Output is correct
11 Correct 21 ms 24796 KB Output is correct
12 Correct 17 ms 25080 KB Output is correct
13 Correct 21 ms 24912 KB Output is correct
14 Correct 193 ms 245896 KB Output is correct
15 Runtime error 195 ms 262144 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -