Submission #986721

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
986721	2024-05-21 05:22:43	vjudge1	The Potion of Great Power (CEOI20_potion)	C++17	49 / 100	1771 ms	222400 KiB

potion

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#include<bits/stdc++.h>
#pragma GCC optimize(2)
using namespace std;
int SSZ=20;
vector<pair<int,int>>C[100100];
map<int,set<int>> temps[100100], prooc[100100];
set<int>cur[100100];
int h[100100],ord[100100],rev[100100],CC;
void init(int N, int D, int H[]) {
    vector<int>v;
    for(int i=0;i<N;i++) h[i]=H[i],
        v.push_back(i),temps[i][-1];
    sort(v.begin(),v.end(),[](int a,int b){return h[a]<h[b];});
    for(int i=0;i<N;i++)
        rev[ord[v[i]]=i]=v[i];
}
void curseChanges(int U, int A[], int B[]) {
    for(int i=0;i<U;i++){
        A[i]=ord[A[i]];
        B[i]=ord[B[i]];
        if(cur[A[i]].count(B[i]))
            cur[A[i]].erase(B[i]),
            cur[B[i]].erase(A[i]);
        else cur[A[i]].insert(B[i]),
            cur[B[i]].insert(A[i]);
        C[A[i]].push_back({i,B[i]});
        C[B[i]].push_back({i,A[i]});
        if(C[A[i]].size()%SSZ==0)
            temps[A[i]][i]=cur[A[i]];
        if(C[B[i]].size()%SSZ==0)
 
 
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Compilation message (stderr)

potion.cpp: In function 'int calc(std::vector<int>, std::vector<int>)':
potion.cpp:38:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     while(l<A.size()&&r<B.size()){
      |           ~^~~~~~~~~
potion.cpp:38:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     while(l<A.size()&&r<B.size()){
      |                       ~^~~~~~~~~
potion.cpp: In function 'int question(int, int, int)':
potion.cpp:53:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for(;I<C[x].size()&&C[x][I].first<v;I++)
      |          ~^~~~~~~~~~~~
potion.cpp:66:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |     for(;I<C[y].size()&&C[y][I].first<v;I++)
      |          ~^~~~~~~~~~~~

• Subtask 1: 0 / 0
• Subtask 2: 17 / 17
• Subtask 3: 14 / 14
• Subtask 4: 18 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 30