Submission #1367943

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367943		hahaha	A String Problem (EGOI25_stringproblem)	C++20	20 / 100	77 ms	5472 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f first
#define s second
#define pb push_back
const int N=1e5+1;
struct coord{
    int a;
    int b;
};
vector<coord>pin;
int n;
int ocup[2*N+2];
signed main(){
    cin>>n;
    int mod=2*n;
    for (int i=0; i<mod; i++)
        ocup[i]=1;
    int ans=n;
    for(int i=0; i<n; i++){
        int x,y;
        cin>>x>>y;
        if ((x+y)%mod==1)ans--;
        if(y<x) swap(x,y);
        pin.pb({x,y});
    }
    cout<<ans<<endl;
    for (int i=0; i<n; i++) {
        if ((pin[i].a+pin[i].b)%mod==1)continue;
        int z=pin[i].a;
        int y=pin[i].b;
    //    if (ocup[y]>1)swap(z,y);
        cout<<i<<" "<<z<<" "<<(mod+1-y)%mod<<endl;
    //    ocup[z]--;
    //    ocup[(mod+1-y)%mod]++;
    }
}

• Subtask 0: 0 / 0
• Subtask 1: 14 / 14
• Subtask 2: 0 / 16
• Subtask 3: 6 / 12
• Subtask 4: 0 / 28
• Subtask 5: 0 / 30