oj.uz

답안 #307238

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
307238 2020-09-27T12:21:33 Z VEGAnn 식물 비교 (IOI20_plants) C++14
0 / 100
 6 ms 768 KB 
#include "plants.h"
#include <bits/stdc++.h>
#define PB push_back
#define sz(x) ((int)x.size())
using namespace std;
const int N = 5010;
const int oo = 2e9;
queue<int> q;
vector<int> vc;
int per[N], mrk[N], tt = 0;
bool sml[N][N], g[N][N];

void init(int k, vector<int> r) {
    int n = sz(r);

    for (int it = n - 1; it >= 0; it--){
        vc.clear();

        for (int i = 0; i < n; i++)
            if (r[i] == 0)
                vc.PB(i);

//        if (sz(vc) == 0){
//            while (1) {}
//        }

        int cand = -1, mx = -1;

        for (int it = 0; it < sz(vc); it++){
            int cur = vc[it];
            int pre = vc[(it + sz(vc) - 1) % sz(vc)];

            if (pre < cur){
                if (cur - pre > mx){
                    mx = cur - pre;
                    cand = cur;
                    break;
                }
            } else {
                if (cur - pre + n > mx){
                    mx = cur - pre + n;
                    cand = cur;
                    break;
                }
            }
        }

        per[cand] = it;
        r[cand] = oo;

        for (int i = 1, loc = cand; i < k; i++){
            loc = (loc + n - 1) % n;

            r[loc]--;

            if (r[loc] < oo / 2)
                g[cand][loc] = 1;
        }

        for (int i = 1, loc = cand; i < k; i++){
            loc = (loc + 1) % n;

            if (r[loc] < oo / 2)
                g[cand][loc] = 1;
        }
    }

//    for (int i = 0; i < n; i++){
//        tt++;
//
//        q.push(i);
//        mrk[i] = tt;
//
//        while (sz(q)){
//            int v = q.front(); q.pop();
//
//            sml[i][v] = 1;
//
//            for (int u = 0; u < n; u++)
//                if (g[v][u] && mrk[u] < tt){
//                    mrk[u] = tt;
//                    q.push(u);
//                }
//        }
//    }

    return;
}

int compare_plants(int x, int y) {
//    if (sml[x][y]) return 1;
//    if (sml[y][x]) return -1;
//    return 0;
    return (per[x] > per[y] ? 1 : -1);
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Runtime error 5 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Runtime error 6 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Runtime error 6 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Runtime error 5 ms 768 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Runtime error 5 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Runtime error 5 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Runtime error 5 ms 640 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -