oj.uz

Submission #828018

# Submission time Handle Problem Language Result Execution time Memory
828018 2023-08-17T01:43:43 Z boyliguanhan The Potion of Great Power (CEOI20_potion) C++17
38 / 100
 3000 ms 262144 KB 
#include<bits/stdc++.h>
//#include "potion.h"
#pragma GCC optimize(2)
#define NN 100100
using namespace std;
int h[NN], n;
map<int, set<int>> adj[NN];
void init(int N, int D, int H[]) {
    n = N;
    for(int i = 0; i < N; i++)
        h[i] = H[i];
}
set<int> arr[100100];
void curseChanges(int U, int A[], int B[]) {
    for(int i = 0; i < n; i++) adj[i][0];
    for(int i = 1; i <= U; i++) {
        int a = A[i-1], b = B[i-1];
        set<int> &x = arr[a], &y = arr[b];
        if(x.count(b)) x.erase(b), y.erase(a);
        else x.insert(b), y.insert(a);
        set<int> x1, y1;
        for(auto j: x) x1.insert(h[j]);
        for(auto j: y) y1.insert(h[j]);
        adj[a][i] = x1, adj[b][i] = y1;
    }
}
int calc(vector<int> a, vector<int> b){
    int ans = 1e9;
    for(int i = 0, j = 0; i < a.size()&&j < b.size();i++) {
        if(a[i]>b[j]) swap(a, b), swap(i, j);
        if(j) ans=min(ans,abs(a[i]-b[j-1]));
        ans = min(ans, abs(a[i] - b[j]));
    }
    return ans;
}
int question(int x, int y, int v) {
    set<int> a = (--adj[x].upper_bound(v))->second, b = (--adj[y].upper_bound(v))->second;
    vector<int> c, d;
    for(auto i: a) c.push_back(i);
    for(auto i: b) d.push_back(i);
    return calc(c,d);
}

Compilation message

potion.cpp: In function 'int calc(std::vector<int>, std::vector<int>)':
potion.cpp:29:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i = 0, j = 0; i < a.size()&&j < b.size();i++) {
      |                           ~~^~~~~~~~~~
potion.cpp:29:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i = 0, j = 0; i < a.size()&&j < b.size();i++) {
      |                                         ~~^~~~~~~~~~

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9680 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 10192 KB Output is correct
2 Correct 5 ms 10192 KB Output is correct
3 Correct 6 ms 10192 KB Output is correct
4 Correct 20 ms 20268 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 680 ms 134024 KB Output is correct
2 Correct 677 ms 134076 KB Output is correct
3 Correct 903 ms 237512 KB Output is correct
4 Runtime error 930 ms 262144 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 591 ms 107228 KB Output is correct
2 Correct 1755 ms 83216 KB Output is correct
3 Correct 2294 ms 89364 KB Output is correct
4 Execution timed out 3091 ms 80984 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 15440 KB Output is correct
2 Correct 109 ms 20804 KB Output is correct
3 Correct 177 ms 21640 KB Output is correct
4 Correct 885 ms 76688 KB Output is correct
5 Correct 844 ms 60532 KB Output is correct
6 Correct 153 ms 22656 KB Output is correct
7 Correct 700 ms 66620 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9680 KB Output is correct
2 Correct 6 ms 10192 KB Output is correct
3 Correct 5 ms 10192 KB Output is correct
4 Correct 6 ms 10192 KB Output is correct
5 Correct 20 ms 20268 KB Output is correct
6 Correct 680 ms 134024 KB Output is correct
7 Correct 677 ms 134076 KB Output is correct
8 Correct 903 ms 237512 KB Output is correct
9 Runtime error 930 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -