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Submission #768957

# Submission time Handle Problem Language Result Execution time Memory
768957 2023-06-29T02:24:00 Z boyliguanhan The Potion of Great Power (CEOI20_potion) C++17
38 / 100
 1186 ms 262144 KB 
#include<bits/stdc++.h>
//#include "potion.h"
#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];
}

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 = (--adj[a].end())->second, y = (--adj[b].end())->second;
        if(x.count(b)) x.erase(b), y.erase(a);
        else x.insert(b), y.insert(a);
        adj[a][i] = x, adj[b][i] = y;
    }
}
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(h[i]);
    for(auto i: b) d.push_back(h[i]);
    sort(c.begin(), c.end());
    sort(d.begin(), d.end());
    return calc(c,d);
}

Compilation message

potion.cpp: In function 'int calc(std::vector<int>, std::vector<int>)':
potion.cpp:25:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i = 0, j = 0; i < a.size()&&j < b.size();i++) {
      |                           ~~^~~~~~~~~~
potion.cpp:25:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     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 2 ms 4944 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5456 KB Output is correct
2 Correct 4 ms 5456 KB Output is correct
3 Correct 4 ms 5456 KB Output is correct
4 Correct 19 ms 15432 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 459 ms 110536 KB Output is correct
2 Correct 474 ms 110592 KB Output is correct
3 Correct 786 ms 232780 KB Output is correct
4 Runtime error 472 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 497 ms 110732 KB Output is correct
2 Runtime error 386 ms 262144 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 9908 KB Output is correct
2 Correct 147 ms 16016 KB Output is correct
3 Correct 175 ms 16908 KB Output is correct
4 Correct 1176 ms 71384 KB Output is correct
5 Correct 1186 ms 55052 KB Output is correct
6 Correct 165 ms 17104 KB Output is correct
7 Correct 976 ms 61808 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4944 KB Output is correct
2 Correct 4 ms 5456 KB Output is correct
3 Correct 4 ms 5456 KB Output is correct
4 Correct 4 ms 5456 KB Output is correct
5 Correct 19 ms 15432 KB Output is correct
6 Correct 459 ms 110536 KB Output is correct
7 Correct 474 ms 110592 KB Output is correct
8 Correct 786 ms 232780 KB Output is correct
9 Runtime error 472 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -