Submission #1128417

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128417		erasyl123	Simple game (IZhO17_game)	C++20	49 / 100	1095 ms	12728 KiB

game

#include <bits/stdc++.h>
#define int long long
#define boost ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int N = 1e6+5;
const int inf = 1e9;
const int mod=1e9+7;
struct edge{
    int pos,val,t;
};
vector<int>v;
vector<edge>v1;
int dp[N];
signed main(){
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
    boost 
    int n,m;
    cin>>n>>m;
    v.push_back(0);
    for(int i=1;i<=n;i++){
        int x;
        cin>>x;
        v.push_back(x);
    }
    int cnt=0;
    for(int i=1;i<=m;i++){
        int x;
        cin>>x;
        if(x==1){
            edge y;
            cin>>y.pos>>y.val;
            y.t=1;
            v1.push_back(y);
        }else{
            edge y;
            cin>>y.val;
            y.pos=0;
            y.t=2;
            cnt++;
            v1.push_back(y);
        }
    }
    if(cnt==m){
        for(int i=1;i<n;i++){
            int l=min(v[i],v[i+1]);
            int r=max(v[i],v[i+1]);
            dp[l]++;
            dp[r+1]--;
        }
        for(int i=1;i<=N-5;i++){
            dp[i]+=dp[i-1];
        }
        for(int i=1;i<=m;i++){
            cout<<dp[v1[i-1].val]<<"\n";
        }
        return 0;
    }else{
        for(int i=1;i<=m;i++){
            if(v1[i-1].t==1){
                v[v1[i-1].pos]=v1[i-1].val;
                continue;
            }else{
             int ans=0;
             int y=v1[i-1].val;
            for(int i=1;i<n;i++){
                int l=min(v[i],v[i+1]);
                int r=max(v[i],v[i+1]);
                if(l<=y&&y<=r){
                    ans++;
                }
            }
            cout<<ans<<"\n";               
            }
        }
    }
}

• Subtask 1: 22 / 22
• Subtask 2: 27 / 27
• Subtask 3: 0 / 51