oj.uz

Submission #507605

# Submission time Handle Problem Language Result Execution time Memory
507605 2022-01-12T19:59:07 Z nichke Crossing (JOI21_crossing) C++14
26 / 100
 346 ms 17660 KB 
// I may fail a thousand times
// But there is no giving up
// IOI - here I come
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int BASE=59;
const int MOD1=(int)1e9+9;
const int MOD2=(int)1e9+6;
string s;
map<char,int> mp;
int lazy[(int)8e5+5];
int tree[(int)8e5+5][2];
int pref[(int)2e5+5][2];
string calc(string x,string y){
	string ret="";
	int sz=(int)x.length();
	for(int i=0;i<sz;i++){
		if(x[i]==y[i])ret+=x[i];
		else{
			char a=x[i];
			char b=y[i];
			if(a>b)swap(a,b);
			if(a=='I'&&b=='J')ret+='O';
			if(a=='I'&&b=='O')ret+='J';
			if(a=='J'&&b=='O')ret+='I';
		}
	}
	return ret;
}
int mul(int a,int b,int MOD){
	int ret=(a*b)%MOD;
	if(ret<0)ret+=MOD;
	return ret;
}
int add(int a,int b,int MOD){
	int ret=(a+b)%MOD;
	if(ret<0)ret+=MOD;
	return ret;
}
void build(int v,int l,int r){
	if(l==r){
		tree[v][0]=mul(mp[s[l-1]],add(pref[r][0],-pref[l-1][0],MOD1),MOD1);
		tree[v][1]=mul(mp[s[l-1]],add(pref[r][1],-pref[l-1][1],MOD2),MOD2);
		return;
	}
	int m=(l+r)/2;
	build(2*v,l,m);
	build(2*v+1,m+1,r);
	tree[v][0]=add(tree[2*v][0],tree[2*v+1][0],MOD1);
	tree[v][1]=add(tree[2*v][1],tree[2*v+1][1],MOD2);
}
void push(int v,int l,int r){
	if(l>r)return;
	if(lazy[v]!=-1){
		if(l!=r){
			lazy[2*v]=lazy[v];
			lazy[2*v+1]=lazy[v];
		}
		tree[v][0]=mul(lazy[v],add(pref[r][0],-pref[l-1][0],MOD1),MOD1);
		tree[v][1]=mul(lazy[v],add(pref[r][1],-pref[l-1][1],MOD2),MOD2);
		lazy[v]=-1;
	}
}
void upd(int v,int l,int r,int ul,int ur,int t){
	push(v,l,r);
	if(l>r||ul>ur||l>ur||r<ul)return;
	if(l>=ul&&r<=ur){
		lazy[v]=t;
		push(v,l,r);
		return;
	}
	int m=(l+r)/2;
	upd(2*v,l,m,ul,ur,t);
	upd(2*v+1,m+1,r,ul,ur,t);
	tree[v][0]=add(tree[2*v][0],tree[2*v+1][0],MOD1);
	tree[v][1]=add(tree[2*v][1],tree[2*v+1][1],MOD2);
}
signed main(){
  ios_base::sync_with_stdio(0);cin.tie(0);
	int n;cin>>n;
	mp['I']=0;
	mp['J']=1;
	mp['O']=2;
	vector<string> v(3);
	for(int i=0;i<3;i++)cin>>v[i];
	queue<string> q;
	for(int i=0;i<3;i++)q.push(v[i]);
	v.clear();
	map<string,int> vis;
	for(;!q.empty();){
		string x=q.front();q.pop();
		if(vis[x])continue;
		vis[x]=1;
		v.push_back(x);
		for(auto y:v){
			string z=calc(x,y);
			q.push(z);
		}
	}
	int curbase1=1,curbase2=1;
	for(int i=1;i<=n;i++){
		pref[i][0]=add(pref[i-1][0],curbase1,MOD1);
		pref[i][1]=add(pref[i-1][1],curbase2,MOD2);
		curbase1=mul(curbase1,BASE,MOD1);
		curbase2=mul(curbase2,BASE,MOD2);
	}
	vector<int> res0,res1;
	for(string s:v){
		int cur0,cur1;cur0=cur1=0;
		for(int i=0;i<(int)s.length();i++){
			cur0=add(cur0,mul(mp[s[i]],add(pref[i+1][0],-pref[i][0],MOD1),MOD1),MOD1);
			cur1=add(cur1,mul(mp[s[i]],add(pref[i+1][1],-pref[i][1],MOD2),MOD2),MOD2);
		}
		res0.push_back(cur0);
		res1.push_back(cur1);
	}
	int t;cin>>t;
	cin>>s;
	build(1,1,n);
	int flag=0;
	for(int i=0;i<(int)res0.size();i++){
		if(tree[1][0]==res0[i]&&tree[1][1]==res1[i]){
			flag=1;
		}
	}
	flag?cout<<"Yes\n":cout<<"No\n";
	for(;t;t--){
		int l,r;cin>>l>>r;
		char c;cin>>c;
		int x=mp[c];
		upd(1,1,n,l,r,x);
		int flag=0;
		for(int i=0;i<(int)res0.size();i++){
			if(tree[1][0]==res0[i]&&tree[1][1]==res1[i]){
				flag=1;
			}
		}
		flag?cout<<"Yes\n":cout<<"No\n";
	}
  return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 836 KB Output is correct
2 Correct 87 ms 1004 KB Output is correct
3 Correct 87 ms 864 KB Output is correct
4 Correct 78 ms 828 KB Output is correct
5 Correct 68 ms 900 KB Output is correct
6 Correct 72 ms 840 KB Output is correct
7 Correct 73 ms 864 KB Output is correct
8 Correct 73 ms 876 KB Output is correct
9 Correct 74 ms 932 KB Output is correct
10 Correct 75 ms 836 KB Output is correct
11 Correct 74 ms 868 KB Output is correct
12 Correct 75 ms 912 KB Output is correct
13 Correct 73 ms 908 KB Output is correct
14 Correct 74 ms 860 KB Output is correct
15 Correct 73 ms 840 KB Output is correct
16 Correct 73 ms 896 KB Output is correct
17 Correct 77 ms 904 KB Output is correct
18 Correct 83 ms 848 KB Output is correct

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 836 KB Output is correct
2 Correct 87 ms 1004 KB Output is correct
3 Correct 87 ms 864 KB Output is correct
4 Correct 78 ms 828 KB Output is correct
5 Correct 68 ms 900 KB Output is correct
6 Correct 72 ms 840 KB Output is correct
7 Correct 73 ms 864 KB Output is correct
8 Correct 73 ms 876 KB Output is correct
9 Correct 74 ms 932 KB Output is correct
10 Correct 75 ms 836 KB Output is correct
11 Correct 74 ms 868 KB Output is correct
12 Correct 75 ms 912 KB Output is correct
13 Correct 73 ms 908 KB Output is correct
14 Correct 74 ms 860 KB Output is correct
15 Correct 73 ms 840 KB Output is correct
16 Correct 73 ms 896 KB Output is correct
17 Correct 77 ms 904 KB Output is correct
18 Correct 83 ms 848 KB Output is correct
19 Correct 346 ms 17620 KB Output is correct
20 Correct 299 ms 14388 KB Output is correct
21 Correct 195 ms 17348 KB Output is correct
22 Correct 187 ms 16956 KB Output is correct
23 Correct 123 ms 1880 KB Output is correct
24 Correct 112 ms 1860 KB Output is correct
25 Correct 195 ms 17592 KB Output is correct
26 Correct 270 ms 17616 KB Output is correct
27 Correct 244 ms 17660 KB Output is correct
28 Correct 245 ms 17632 KB Output is correct
29 Correct 231 ms 17448 KB Output is correct
30 Correct 136 ms 1868 KB Output is correct
31 Correct 217 ms 17608 KB Output is correct
32 Correct 231 ms 17364 KB Output is correct
33 Correct 148 ms 1912 KB Output is correct
34 Correct 242 ms 17552 KB Output is correct
35 Correct 171 ms 16468 KB Output is correct
36 Correct 111 ms 1864 KB Output is correct
37 Correct 112 ms 1928 KB Output is correct
38 Correct 276 ms 14376 KB Output is correct
39 Incorrect 141 ms 13640 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 836 KB Output is correct
2 Correct 87 ms 1004 KB Output is correct
3 Correct 87 ms 864 KB Output is correct
4 Correct 78 ms 828 KB Output is correct
5 Correct 68 ms 900 KB Output is correct
6 Correct 72 ms 840 KB Output is correct
7 Correct 73 ms 864 KB Output is correct
8 Correct 73 ms 876 KB Output is correct
9 Correct 74 ms 932 KB Output is correct
10 Correct 75 ms 836 KB Output is correct
11 Correct 74 ms 868 KB Output is correct
12 Correct 75 ms 912 KB Output is correct
13 Correct 73 ms 908 KB Output is correct
14 Correct 74 ms 860 KB Output is correct
15 Correct 73 ms 840 KB Output is correct
16 Correct 73 ms 896 KB Output is correct
17 Correct 77 ms 904 KB Output is correct
18 Correct 83 ms 848 KB Output is correct
19 Correct 81 ms 812 KB Output is correct
20 Correct 92 ms 860 KB Output is correct
21 Correct 77 ms 824 KB Output is correct
22 Correct 66 ms 868 KB Output is correct
23 Correct 71 ms 840 KB Output is correct
24 Correct 70 ms 840 KB Output is correct
25 Correct 76 ms 844 KB Output is correct
26 Correct 66 ms 840 KB Output is correct
27 Correct 78 ms 980 KB Output is correct
28 Correct 64 ms 836 KB Output is correct
29 Correct 76 ms 816 KB Output is correct
30 Correct 70 ms 808 KB Output is correct
31 Correct 76 ms 904 KB Output is correct
32 Correct 78 ms 836 KB Output is correct
33 Correct 78 ms 836 KB Output is correct
34 Correct 68 ms 836 KB Output is correct
35 Correct 104 ms 896 KB Output is correct
36 Correct 83 ms 828 KB Output is correct
37 Correct 77 ms 872 KB Output is correct
38 Correct 74 ms 856 KB Output is correct
39 Correct 72 ms 816 KB Output is correct
40 Correct 78 ms 916 KB Output is correct
41 Correct 74 ms 848 KB Output is correct
42 Correct 73 ms 904 KB Output is correct
43 Correct 76 ms 868 KB Output is correct
44 Correct 75 ms 912 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 836 KB Output is correct
2 Correct 87 ms 1004 KB Output is correct
3 Correct 87 ms 864 KB Output is correct
4 Correct 78 ms 828 KB Output is correct
5 Correct 68 ms 900 KB Output is correct
6 Correct 72 ms 840 KB Output is correct
7 Correct 73 ms 864 KB Output is correct
8 Correct 73 ms 876 KB Output is correct
9 Correct 74 ms 932 KB Output is correct
10 Correct 75 ms 836 KB Output is correct
11 Correct 74 ms 868 KB Output is correct
12 Correct 75 ms 912 KB Output is correct
13 Correct 73 ms 908 KB Output is correct
14 Correct 74 ms 860 KB Output is correct
15 Correct 73 ms 840 KB Output is correct
16 Correct 73 ms 896 KB Output is correct
17 Correct 77 ms 904 KB Output is correct
18 Correct 83 ms 848 KB Output is correct
19 Correct 346 ms 17620 KB Output is correct
20 Correct 299 ms 14388 KB Output is correct
21 Correct 195 ms 17348 KB Output is correct
22 Correct 187 ms 16956 KB Output is correct
23 Correct 123 ms 1880 KB Output is correct
24 Correct 112 ms 1860 KB Output is correct
25 Correct 195 ms 17592 KB Output is correct
26 Correct 270 ms 17616 KB Output is correct
27 Correct 244 ms 17660 KB Output is correct
28 Correct 245 ms 17632 KB Output is correct
29 Correct 231 ms 17448 KB Output is correct
30 Correct 136 ms 1868 KB Output is correct
31 Correct 217 ms 17608 KB Output is correct
32 Correct 231 ms 17364 KB Output is correct
33 Correct 148 ms 1912 KB Output is correct
34 Correct 242 ms 17552 KB Output is correct
35 Correct 171 ms 16468 KB Output is correct
36 Correct 111 ms 1864 KB Output is correct
37 Correct 112 ms 1928 KB Output is correct
38 Correct 276 ms 14376 KB Output is correct
39 Incorrect 141 ms 13640 KB Output isn't correct
40 Halted 0 ms 0 KB -