제출 #967677

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
967677		parlimoos	Naan (JOI19_naan)	C++14	29 / 100	286 ms	57848 KiB

naan

//Be Name KHODA
#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
#define pb push_back
#define pp pop_back
#define lb lower_bound
#define ub upper_bound
#define arr(x) array<ll , x>
#define endl '\n'

ll n , l;
ll mat[2000][2000];
vector<arr(2)> pts[2000] , o;
vector<int> ord;
bool use[2000];

bool cmpKsr(arr(2) &a , arr(2) &b){
    return ((a[0] * b[1]) < (a[1] * b[0]));
}

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);

    cin >> n >> l;
    for(int i = 0 ; i < n ; i++){
        for(int j = 0 ; j < l ; j++){
            cin >> mat[i][j];
            mat[i][j] *= n;
        }
    }
    for(int i = 0 ; i < n ; i++){
        ll sm = 0 , now = 0;
        for(int j = 0 ; j < l ; j++) sm += mat[i][j];
        sm /= n;
        ll tn = 1;
        for(int j = 0 ; j < l ; j++){
            while(now + (mat[i][j]) >= (tn * sm)){
                arr(2) d = {0 , 0};
                d[0] = ((tn * sm) - now) , d[1] = mat[i][j];
                ll g = __gcd(d[0] , d[1]);
                d[0] /= g , d[1] /= g;
                d[0] += (1ll * j) * d[1];
                pts[i].pb(d) , tn++;
            }
            now += mat[i][j];
        }
    }
    for(int i = 0 ; i < n ; i++){
        for(int j = 1 ; j < n ; j++) if(cmpKsr(pts[i][j] , pts[i][j - 1])) exit(0);
    }

    for(int i = 0 ; i < n ; i++){
        arr(2) pt = {-1 , -1};
        int inx = -1;
        for(int j = 0 ; j < n ; j++){
            if(use[j]) continue;
            if(pt[0] == -1 or cmpKsr(pts[j][i] , pt)) pt = pts[j][i] , inx = j;
        }
        o.pb(pt) , use[inx] = 1 , ord.pb(inx);
    }
    for(int i = 1 ; i < n ; i++) cout << o[i - 1][0] << " " << o[i - 1][1] << endl;
    for(int i = 0 ; i < n ; i++) cout << ord[i] + 1 << " ";
}

• Subtask 1: 5 / 5
• Subtask 2: 24 / 24
• Subtask 3: 0 / 71