oj.uz

Submission #386418

# Submission time Handle Problem Language Result Execution time Memory
386418 2021-04-06T14:05:35 Z haojiandan Ancient Machine (JOI21_ancient_machine) C++17
40 / 100
 118 ms 12120 KB 
#include "Anna.h"
#include <bits/stdc++.h>
using namespace std;


void Anna(int n,vector<char> s) {
	int a;
	for (int i=0;i<n;i+=5) {
		a=0;
		for (int j=i;j<=i+4;j++) {
			a=a*3+(j<n?s[j]-'X':0);
		}
		for (int j=0;j<=7;j++) Send(a>>j&1);
	}
}
#include "Bruno.h"
#include <bits/stdc++.h>
using namespace std;

namespace {
const int maxn=(1e5)+10;
int N,s[maxn];
int b[maxn],tot;
int pre[maxn],nxt[maxn];
queue<int> q;
int zuo[maxn],you[maxn];
int alive[maxn];
int NXT[maxn],PRE[maxn],ok[maxn];
void del(int x) {
	//printf("del %d\n",x);
	Remove(x); alive[x]=0;
	if (nxt[x]<N) pre[nxt[x]]=pre[x];
	if (pre[x]!=-1) nxt[pre[x]]=nxt[x];
	
	if (s[x]==1) {
		if (NXT[x]<N) {
			PRE[NXT[x]]=PRE[x];
		}
		if (PRE[x]!=-1) NXT[PRE[x]]=NXT[x];
	}
}
}  // namespace

void Bruno(int n,int len,vector<int> A) {
	int a,now=0; N=n;
	for (int i=0;i<n;i+=5) {
		a=0;
		for (int j=0;j<=7;j++) {
			if (A[now]) a+=(1<<j);
			now++;
		}
		for (int j=i+4;j>=i;j--) {
			if (j<n) {
				s[j]=a%3;
			}
			a/=3;
		}
	}
	//for (int i=0;i<n;i++) printf("%d ",s[i]); puts("");
	int mn=-1,mx=-1;
	for (int i=0;i<n;i++)
		if (s[i]==0) { mn=i; break; }
	for (int i=n-1;i>=0;i--)
		if (s[i]==2) { mx=i; break; }
	if (mn==-1||mx==-1||mn>mx) {
		for (int i=0;i<n;i++) Remove(i);
		return;
	}
	
	tot=0;
	b[++tot]=-1;
	for (int i=0;i<n;i++) {
		ok[i]=0; alive[i]=1;
		if (s[i]==1) b[++tot]=i;
	}
	b[++tot]=n;
	
	for (int i=0;i<n;i++) pre[i]=i-1,nxt[i]=i+1;
	
	for (int i=0;i<mn;i++) del(i);
	for (int i=mx+1;i<n;i++) del(i);
	for (int i=mn+1;i<mx;i++) if (s[i]==1&&s[i+1]==1) del(i+1);
	
	now=-1;
	for (int i=mn+1;i<mx;i++) if (s[i]==1&&alive[i]) {
		PRE[i]=now;
		now=i;
	}
	now=n+1;
	for (int i=mx-1;i>mn;i--) if (s[i]==1&&alive[i]) {
		NXT[i]=now;
		now=i;
	}
	
	for (int i=mn;i<=mx;i++) {
		if (s[i]==0) now=i;
		if (s[i]==1) zuo[i]=now;
	}
	for (int i=mx;i>=mn;i--) {
		if (s[i]==2) now=i;
		if (s[i]==1) you[i]=now;
	}
//	printf("%d\n",NXT[1]);
	q=queue<int>();
	for (int i=mn;i<=mx;i++) if (s[i]==1&&alive[i]) {
		if (zuo[i]>PRE[i]&&you[i]<NXT[i]) q.push(i),ok[i]=1;
	}
	while (!q.empty()) {
		int y=q.front(); q.pop();
		int x=zuo[y],z=you[y],a=PRE[y],b=NXT[y];
		//printf("%d %d %d %d %d\n",a,x,y,z,b);
		while (pre[y]!=x) del(pre[y]);
		//printf("HI\n");
		while (nxt[y]!=z) del(nxt[y]);
		//printf("HI2\n");
		del(y);
		if (you[a]>=n||!alive[you[a]]) you[a]=you[y];
		if (zuo[b]<0||!alive[zuo[b]]) zuo[b]=zuo[y];
		if (!ok[a]&&zuo[a]>PRE[a]&&you[a]<NXT[a]) q.push(a),ok[a]=1;
		if (!ok[b]&&zuo[b]>PRE[b]&&you[b]<NXT[b]) q.push(b),ok[b]=1;
	}
	//for (int i=0;i<n;i++) printf("%d ",alive[i]); puts("");
	for (int i=0;i<n;i++) if (alive[i]) {
		//printf("%d\n",i);
		Remove(i);
	}
	
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 612 KB Output is correct
2 Correct 2 ms 612 KB Output is correct
3 Correct 2 ms 612 KB Output is correct
4 Correct 2 ms 612 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 2 ms 612 KB Output is correct
7 Correct 2 ms 612 KB Output is correct
8 Correct 2 ms 484 KB Output is correct
9 Correct 2 ms 484 KB Output is correct
10 Correct 2 ms 496 KB Output is correct
11 Correct 2 ms 484 KB Output is correct

Subtask #2
35.0 / 95.0

# Verdict Execution time Memory Grader output
1 Partially correct 104 ms 11920 KB Partially correct
2 Partially correct 95 ms 12056 KB Partially correct
3 Partially correct 97 ms 12000 KB Partially correct
4 Partially correct 93 ms 11936 KB Partially correct
5 Partially correct 86 ms 12068 KB Partially correct
6 Partially correct 118 ms 12040 KB Partially correct
7 Partially correct 87 ms 11992 KB Partially correct
8 Partially correct 90 ms 12068 KB Partially correct
9 Partially correct 86 ms 12120 KB Partially correct
10 Partially correct 88 ms 12116 KB Partially correct
11 Partially correct 87 ms 12004 KB Partially correct
12 Partially correct 94 ms 11992 KB Partially correct
13 Partially correct 88 ms 12044 KB Partially correct
14 Partially correct 88 ms 11988 KB Partially correct
15 Partially correct 86 ms 11992 KB Partially correct
16 Partially correct 78 ms 12072 KB Partially correct
17 Partially correct 105 ms 8936 KB Partially correct
18 Partially correct 86 ms 8916 KB Partially correct
19 Partially correct 84 ms 8920 KB Partially correct
20 Partially correct 104 ms 12116 KB Partially correct
21 Partially correct 107 ms 12092 KB Partially correct
22 Partially correct 88 ms 11220 KB Partially correct
23 Partially correct 80 ms 12048 KB Partially correct
24 Partially correct 92 ms 12072 KB Partially correct
25 Partially correct 83 ms 8956 KB Partially correct
26 Partially correct 86 ms 8916 KB Partially correct
27 Partially correct 91 ms 8996 KB Partially correct
28 Partially correct 90 ms 8880 KB Partially correct
29 Partially correct 92 ms 8948 KB Partially correct
30 Partially correct 100 ms 8968 KB Partially correct
31 Partially correct 82 ms 8936 KB Partially correct
32 Partially correct 88 ms 12088 KB Partially correct
33 Partially correct 102 ms 12084 KB Partially correct