oj.uz

Submission #768959

# Submission time Handle Problem Language Result Execution time Memory
768959 2023-06-29T02:41:27 Z boyliguanhan The Potion of Great Power (CEOI20_potion) C++17
38 / 100
 1247 ms 262144 KB 
#include<bits/stdc++.h>
void debug(){}
#define NN 100100
using namespace std;
int h[NN], n;
map<int, vector<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++) {
        if(i==10) debug();
        int a = A[i-1], b = B[i-1];
        vector<int> x = (--adj[a].end())->second, y = (--adj[b].end())->second;
        if(find(x.begin(), x.end(), b)!=x.end()) {
            int i=0;
            while(x[i]!=b)i++;
            while(i<x.size()-1)x[i]=x[i+1], i++;
            x.pop_back(), i=0;
            while(y[i]!=a)i++;
            while(i<y.size()-1)y[i]=y[i+1], i++;
            y.pop_back();
        } else x.push_back(b),y.push_back(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) {
    vector<int> a = (--adj[x].upper_bound(v))->second, b = (--adj[y].upper_bound(v))->second;
    for(auto &i: a) i = h[i];
    for(auto &i: b) i = h[i];
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    return calc(a,b);
}

Compilation message

potion.cpp: In function 'void curseChanges(int, int*, int*)':
potion.cpp:22:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |             while(i<x.size()-1)x[i]=x[i+1], i++;
      |                   ~^~~~~~~~~~~
potion.cpp:25:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |             while(i<y.size()-1)y[i]=y[i+1], i++;
      |                   ~^~~~~~~~~~~
potion.cpp: In function 'int calc(std::vector<int>, std::vector<int>)':
potion.cpp:33:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for(int i = 0, j = 0; i < a.size()&&j < b.size();i++) {
      |                           ~~^~~~~~~~~~
potion.cpp:33:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     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 3 ms 5328 KB Output is correct
2 Correct 3 ms 5328 KB Output is correct
3 Correct 4 ms 5328 KB Output is correct
4 Correct 19 ms 13876 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 299 ms 59284 KB Output is correct
2 Correct 318 ms 59320 KB Output is correct
3 Correct 280 ms 66764 KB Output is correct
4 Correct 1247 ms 241556 KB Output is correct
5 Correct 473 ms 77232 KB Output is correct
6 Runtime error 316 ms 262144 KB Execution killed with signal 9
7 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 59304 KB Output is correct
2 Runtime error 244 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 34 ms 8128 KB Output is correct
2 Correct 70 ms 8504 KB Output is correct
3 Correct 76 ms 8568 KB Output is correct
4 Correct 487 ms 13204 KB Output is correct
5 Correct 503 ms 11996 KB Output is correct
6 Correct 63 ms 7888 KB Output is correct
7 Correct 384 ms 12400 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 3 ms 5328 KB Output is correct
3 Correct 3 ms 5328 KB Output is correct
4 Correct 4 ms 5328 KB Output is correct
5 Correct 19 ms 13876 KB Output is correct
6 Correct 299 ms 59284 KB Output is correct
7 Correct 318 ms 59320 KB Output is correct
8 Correct 280 ms 66764 KB Output is correct
9 Correct 1247 ms 241556 KB Output is correct
10 Correct 473 ms 77232 KB Output is correct
11 Runtime error 316 ms 262144 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -