oj.uz

답안 #304508

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
304508 2020-09-21T12:35:08 Z oleh1421 식물 비교 (IOI20_plants) C++17
11 / 100
 4000 ms 333788 KB 
#define SYS
#ifdef SYS
#include "plants.h"
#endif // SYS


#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int N=300010;
struct node{
    int mx,l,r,best;
};
node t[N*4];
int w[N*4];
int a[N];
int p[N];
int nn,kk;
node Merge(node A,node B){
    if (A.mx>B.mx) {
        return A;
    }
    if (A.mx<B.mx) {
        return B;
    }
    node C;
    C.mx=A.mx;
    C.l=A.l;
    C.r=B.r;
    if (A.best!=-1) C.best=A.best;
    else if (B.best!=-1) C.best=B.best;
    else if (B.l>=A.r+kk) C.best=B.l;
    else C.best=-1;
    return C;
}
void build(int v,int l,int r){
    if (l>r) return;
    w[v]=0;
    t[v].best=-1;
    if (l==r){
        t[v].mx=a[l];
        t[v].l=t[v].r=l;
        t[v].best=-1;
        return;
    }
    int m=(l+r)/2;
    build(v+v,l,m);
    build(v+v+1,m+1,r);
    t[v]=Merge(t[v+v],t[v+v+1]);
}
void push(int v){
    t[v+v].mx+=w[v];
    t[v+v+1].mx+=w[v];
    w[v+v]+=w[v];
    w[v+v+1]+=w[v];
    w[v]=0;
}
void upd(int v,int l,int r,int L,int R,int x){
    if (l>R || r<L) return;
    if (l>=L && r<=R){
        t[v].mx+=x;
        w[v]+=x;
        return;
    }
    push(v);
    int m=(l+r)/2;
    upd(v+v,l,m,L,R,x);
    upd(v+v+1,m+1,r,L,R,x);
    t[v]=Merge(t[v+v],t[v+v+1]);
}
void add(int n,int l,int r,int x){
    if (l<=r){
        upd(1,0,n-1,l,r,x);
    } else {
        upd(1,0,n-1,l,n-1,x);
        upd(1,0,n-1,0,r,x);
    }
}
vector<int>g[N];
bool can[5010][5010];
void dfs(int v,int root){
    can[root][v]=true;
    for (int to:g[v]){
        if (!can[root][to]){
            dfs(to,root);
        }
    }
}
void init(int k, std::vector<int> r) {
    int n=r.size();
    nn=n;
    kk=k;
    for (int &i:r){
        i=k-i-1;
    }
    for (int i=0;i<n;i++) a[i]=r[i];
    build(1,0,n-1);
    for (int cur=n;cur>=1;cur--){
        if (t[1].mx>k-1) exit(1);
        int pos=(t[1].best==-1 ? t[1].l : t[1].best);
        p[pos]=cur;
//        cout<<pos<<endl;
        for (int i=1;i<k;i++){
            int nxt=(pos-i+n)%n;
            if (p[nxt]>p[pos]) g[nxt].push_back(pos);
            else g[pos].push_back(nxt);
        }
        add(n,(pos-k+1+n)%n,pos,1);
        add(n,pos,pos,-n*3);
    }
    for (int i=0;i<n;i++){
        dfs(i,i);
    }
	return;
}

int compare_plants(int x, int y) {
    if (can[x][y]) return 1;
    if (can[y][x]) return -1;
	return 0;
}

#ifndef SYS
#include <cstdio>
#include <cassert>
#include <vector>

static int n, k, q;
static std::vector<int> r;
static std:: vector<int> x;
static std:: vector<int> y;
static std:: vector<int> answer;
int main() {
	assert(scanf("%d%d%d", &n, &k, &q) == 3);
	r.resize(n);
	answer.resize(q);
	for (int i = 0; i < n; i++) {
		int value;
		assert(scanf("%d", &value) == 1);
		r[i] = value;
	}
	x.resize(q);
	y.resize(q);
	for (int i = 0; i < q; i++) {
		assert(scanf("%d%d", &x[i], &y[i]) == 2);
	}
	fclose(stdin);

	init(k, r);
	for (int i = 0; i < q; i++) {
		answer[i] = compare_plants(x[i], y[i]);
	}

	for (int i = 0; i < q; i++) {
		printf("%d\n", answer[i]);
	}

	fclose(stdout);

	return 0;
}
#endif
/*
4 2 2
0 1 0 1
0 3
1 3

*/

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 5 ms 7424 KB Output is correct
4 Correct 5 ms 7424 KB Output is correct
5 Correct 5 ms 7424 KB Output is correct
6 Correct 70 ms 10360 KB Output is correct
7 Runtime error 152 ms 65912 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 5 ms 7424 KB Output is correct
4 Correct 5 ms 7424 KB Output is correct
5 Correct 6 ms 7808 KB Output is correct
6 Correct 342 ms 17016 KB Output is correct
7 Execution timed out 4074 ms 107436 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 5 ms 7424 KB Output is correct
4 Correct 5 ms 7424 KB Output is correct
5 Correct 6 ms 7808 KB Output is correct
6 Correct 342 ms 17016 KB Output is correct
7 Execution timed out 4074 ms 107436 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 7424 KB Output is correct
2 Correct 6 ms 7424 KB Output is correct
3 Correct 110 ms 20088 KB Output is correct
4 Runtime error 1382 ms 125448 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Halted 0 ms 0 KB -

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 6 ms 7424 KB Output is correct
4 Correct 6 ms 7424 KB Output is correct
5 Correct 6 ms 7552 KB Output is correct
6 Correct 7 ms 7936 KB Output is correct
7 Correct 21 ms 9344 KB Output is correct
8 Correct 27 ms 9464 KB Output is correct
9 Correct 23 ms 9344 KB Output is correct
10 Correct 26 ms 9472 KB Output is correct
11 Correct 21 ms 9344 KB Output is correct
12 Correct 23 ms 9344 KB Output is correct
13 Correct 36 ms 9848 KB Output is correct

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 5 ms 7424 KB Output is correct
4 Correct 5 ms 7424 KB Output is correct
5 Correct 58 ms 12920 KB Output is correct
6 Runtime error 1839 ms 333788 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Correct 5 ms 7424 KB Output is correct
4 Correct 5 ms 7424 KB Output is correct
5 Correct 5 ms 7424 KB Output is correct
6 Correct 70 ms 10360 KB Output is correct
7 Runtime error 152 ms 65912 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Halted 0 ms 0 KB -