Submission #62275989

Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
    int n,q;
    cin >> n >> q;
    int cnt=0;
    vector<int>freq(n+1,1);
    map<int,int>mp;
    for(int i=1;i<=n;i++){
        mp[i]=i;
    }
    while(q>0){
        int type;
        cin >> type;
        if(type==1){
            int p,h;
            cin >> p >> h;
            freq[mp[p]]--;
            if(freq[mp[p]]==1){
 
 
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#include<bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    int n,q;
    cin >> n >> q;
    int cnt=0;
    vector<int>freq(n+1,1);
    map<int,int>mp;
    for(int i=1;i<=n;i++){
        mp[i]=i;
    }
    while(q>0){
        int type;
        cin >> type;
        if(type==1){
            int p,h;
            cin >> p >> h;
            freq[mp[p]]--;
            if(freq[mp[p]]==1){
                cnt--;
            }
            mp[p]=h;
            freq[mp[p]]++;
            if(freq[mp[p]]==2){
                cnt++;
            }
        }
        else {
            cout << cnt << endl;
        }
        q--;
    }
    return 0;
}

Submission Info

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