oj.uz

Submission #608996

# Submission time Handle Problem Language Result Execution time Memory
608996 2022-07-27T11:41:16 Z kakayoshi Crossing (JOI21_crossing) C++17
26 / 100
 356 ms 16368 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long int ll;
typedef pair<int, int> pii;
typedef pair<ll,ll> pll;
typedef pair<int, pair<int,int> > piii;
typedef pair<pair<ll,ll> ,pair<ll, ll> > plll;
typedef vector <ll> vi;
#define forw(i,a,b) for (ll i=a;i<=(b);i++)
#define forb(i,a,b) for (ll i=a;i>=(b);i--)
#define fastIO {ios::sync_with_stdio(false); cin.tie(0); }
#define fi first
#define se second
#define pu push
#define puf push_front
#define pb push_back
#define pof pop_front
#define pob pop_back
#define fr front
#define all(a) a.begin(),a.end()
const ll oo=1e18;
const ll mod=1e9+7;
const int base=31;
const ll maxN=3e5+5;
const int tx[4]={0,1,0,-1};
const int ty[4]={1,0,-1,0};
const ll maxM=maxN*4+5;
const ll block=500;
#define mul(a,b) (a*b)%mod
#define add(a,b) (a+b)%mod
ll pre[maxN],n,key,q;
string s1,s2,s3,s4;
struct segment
{
    vector <ll> seg,lazy;
    segment(int n)
    {
        seg.assign(4*n+5,0);
        lazy.assign(4*n+5,0);
    }
    ll get_pre(int l, int r)
    {
        ll ans=pre[r];
        if (l>0) ans=(ans-pre[l-1]+mod)%mod;
        return ans;
    }
    void down(int id, int l, int r, int mid)
    {
        if (!lazy[id]) return;
        seg[id*2]=mul(get_pre(l-1,mid-1),lazy[id]);
        lazy[id*2]=lazy[id];
        seg[id*2+1]=mul(get_pre(mid,r-1),lazy[id]);
        lazy[id*2+1]=lazy[id];
        lazy[id]=0;
        return;
    }
    void update(int id, int l, int r, int u, int v, ll val)
    {
        if (v<l || r<u) return;
        if (u<=l && r<=v)
        {
            seg[id]=mul(get_pre(l-1,r-1),val);
            lazy[id]=val;
            return;
        }
        int  mid=(l+r)/2;
        down(id,l,r,mid);
        update(id*2,l,mid,u,v,val);
        update(id*2+1,mid+1,r,u,v,val);
        seg[id]=add(seg[id*2],seg[id*2+1]);
        return;
    }
};
ll get(char c)
{
    if (c=='J') return 1;
    if (c=='O') return 2;
    return 3;
}
void solve()
{
    cin>>n;
    cin>>s1>>s2>>s3;
    cin>>q;
    cin>>s4;
    ll tmp=1;
    //power[0]=1;
    pre[0]=1;
    segment seg(n);
    forw(i,1,n)
    {
        //power[i]=mul(power[i-1],5);
        key=add(key,mul(get(s1[i-1]),tmp));
        tmp=mul(tmp,5);
        pre[i]=add(pre[i-1],tmp);
        seg.update(1,1,n,i,i,get(s4[i-1]));
    }
    //cout<<key<<endl;
    if (seg.seg[1]==key) cout<<"Yes\n";
    else cout<<"No\n";
    while (q--)
    {
        int l,r; char c; cin>>l>>r>>c;
        seg.update(1,1,n,l,r,get(c));
        if (seg.seg[1]==key) cout<<"Yes\n";
        else cout<<"No\n";
    }
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    //freopen("a.inp","r",stdin);
    //freopen("a.out","w",stdout);
    solve();
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 1060 KB Output is correct
2 Correct 65 ms 1152 KB Output is correct
3 Correct 67 ms 1096 KB Output is correct
4 Correct 54 ms 1152 KB Output is correct
5 Correct 58 ms 1068 KB Output is correct
6 Correct 58 ms 1088 KB Output is correct
7 Correct 62 ms 1060 KB Output is correct
8 Correct 61 ms 1172 KB Output is correct
9 Correct 69 ms 1112 KB Output is correct
10 Correct 75 ms 1100 KB Output is correct
11 Correct 65 ms 1112 KB Output is correct
12 Correct 62 ms 1076 KB Output is correct
13 Correct 66 ms 1088 KB Output is correct
14 Correct 60 ms 1184 KB Output is correct
15 Correct 65 ms 1100 KB Output is correct
16 Correct 96 ms 1108 KB Output is correct
17 Correct 62 ms 1168 KB Output is correct
18 Correct 62 ms 1112 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 1060 KB Output is correct
2 Correct 65 ms 1152 KB Output is correct
3 Correct 67 ms 1096 KB Output is correct
4 Correct 54 ms 1152 KB Output is correct
5 Correct 58 ms 1068 KB Output is correct
6 Correct 58 ms 1088 KB Output is correct
7 Correct 62 ms 1060 KB Output is correct
8 Correct 61 ms 1172 KB Output is correct
9 Correct 69 ms 1112 KB Output is correct
10 Correct 75 ms 1100 KB Output is correct
11 Correct 65 ms 1112 KB Output is correct
12 Correct 62 ms 1076 KB Output is correct
13 Correct 66 ms 1088 KB Output is correct
14 Correct 60 ms 1184 KB Output is correct
15 Correct 65 ms 1100 KB Output is correct
16 Correct 96 ms 1108 KB Output is correct
17 Correct 62 ms 1168 KB Output is correct
18 Correct 62 ms 1112 KB Output is correct
19 Correct 356 ms 16200 KB Output is correct
20 Correct 249 ms 16172 KB Output is correct
21 Correct 219 ms 15220 KB Output is correct
22 Correct 179 ms 13772 KB Output is correct
23 Correct 91 ms 1952 KB Output is correct
24 Correct 95 ms 1868 KB Output is correct
25 Correct 195 ms 16100 KB Output is correct
26 Correct 185 ms 16152 KB Output is correct
27 Correct 213 ms 16184 KB Output is correct
28 Correct 211 ms 16100 KB Output is correct
29 Correct 237 ms 15856 KB Output is correct
30 Correct 100 ms 1868 KB Output is correct
31 Correct 203 ms 16224 KB Output is correct
32 Correct 217 ms 14760 KB Output is correct
33 Correct 94 ms 1836 KB Output is correct
34 Correct 228 ms 16224 KB Output is correct
35 Correct 166 ms 12336 KB Output is correct
36 Correct 91 ms 1868 KB Output is correct
37 Correct 92 ms 1880 KB Output is correct
38 Correct 224 ms 16188 KB Output is correct
39 Correct 147 ms 16156 KB Output is correct
40 Correct 148 ms 11020 KB Output is correct
41 Correct 305 ms 16360 KB Output is correct
42 Correct 107 ms 16368 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 1060 KB Output is correct
2 Correct 65 ms 1152 KB Output is correct
3 Correct 67 ms 1096 KB Output is correct
4 Correct 54 ms 1152 KB Output is correct
5 Correct 58 ms 1068 KB Output is correct
6 Correct 58 ms 1088 KB Output is correct
7 Correct 62 ms 1060 KB Output is correct
8 Correct 61 ms 1172 KB Output is correct
9 Correct 69 ms 1112 KB Output is correct
10 Correct 75 ms 1100 KB Output is correct
11 Correct 65 ms 1112 KB Output is correct
12 Correct 62 ms 1076 KB Output is correct
13 Correct 66 ms 1088 KB Output is correct
14 Correct 60 ms 1184 KB Output is correct
15 Correct 65 ms 1100 KB Output is correct
16 Correct 96 ms 1108 KB Output is correct
17 Correct 62 ms 1168 KB Output is correct
18 Correct 62 ms 1112 KB Output is correct
19 Correct 63 ms 1096 KB Output is correct
20 Correct 68 ms 1136 KB Output is correct
21 Incorrect 67 ms 1100 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 1060 KB Output is correct
2 Correct 65 ms 1152 KB Output is correct
3 Correct 67 ms 1096 KB Output is correct
4 Correct 54 ms 1152 KB Output is correct
5 Correct 58 ms 1068 KB Output is correct
6 Correct 58 ms 1088 KB Output is correct
7 Correct 62 ms 1060 KB Output is correct
8 Correct 61 ms 1172 KB Output is correct
9 Correct 69 ms 1112 KB Output is correct
10 Correct 75 ms 1100 KB Output is correct
11 Correct 65 ms 1112 KB Output is correct
12 Correct 62 ms 1076 KB Output is correct
13 Correct 66 ms 1088 KB Output is correct
14 Correct 60 ms 1184 KB Output is correct
15 Correct 65 ms 1100 KB Output is correct
16 Correct 96 ms 1108 KB Output is correct
17 Correct 62 ms 1168 KB Output is correct
18 Correct 62 ms 1112 KB Output is correct
19 Correct 356 ms 16200 KB Output is correct
20 Correct 249 ms 16172 KB Output is correct
21 Correct 219 ms 15220 KB Output is correct
22 Correct 179 ms 13772 KB Output is correct
23 Correct 91 ms 1952 KB Output is correct
24 Correct 95 ms 1868 KB Output is correct
25 Correct 195 ms 16100 KB Output is correct
26 Correct 185 ms 16152 KB Output is correct
27 Correct 213 ms 16184 KB Output is correct
28 Correct 211 ms 16100 KB Output is correct
29 Correct 237 ms 15856 KB Output is correct
30 Correct 100 ms 1868 KB Output is correct
31 Correct 203 ms 16224 KB Output is correct
32 Correct 217 ms 14760 KB Output is correct
33 Correct 94 ms 1836 KB Output is correct
34 Correct 228 ms 16224 KB Output is correct
35 Correct 166 ms 12336 KB Output is correct
36 Correct 91 ms 1868 KB Output is correct
37 Correct 92 ms 1880 KB Output is correct
38 Correct 224 ms 16188 KB Output is correct
39 Correct 147 ms 16156 KB Output is correct
40 Correct 148 ms 11020 KB Output is correct
41 Correct 305 ms 16360 KB Output is correct
42 Correct 107 ms 16368 KB Output is correct
43 Correct 63 ms 1096 KB Output is correct
44 Correct 68 ms 1136 KB Output is correct
45 Incorrect 67 ms 1100 KB Output isn't correct
46 Halted 0 ms 0 KB -