oj.uz

Submission #551535

# Submission time Handle Problem Language Result Execution time Memory
551535 2022-04-21T01:23:31 Z dungnguyenn_05 Crossing (JOI21_crossing) C++17
100 / 100
 376 ms 14936 KB 
#include<bits/stdc++.h>
#define fs first
#define sc second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
typedef long long ll;
const ll mod=1e9+3,N=200005;

ll n,q,h[10],t[N<<2],lz[N<<2],p[N],pre[N];
string s[10],cur;
char c[5]={'J','O','I'};

string xr(string a,string b)
{
    string res="";
    for(int i=0;i<n;i++)
    {
        if(a[i]==b[i])
        {
            res+=a[i];
            continue;
        }
        for(int j=0;j<3;j++)
            if(c[j]!=a[i] and c[j]!=b[i])
            {
                res+=c[j];
                break;
            }
    }
    return res;
}

void process()
{

    pre[0]=p[0]=1;
    for(int i=1;i<=n;i++)
    {
        p[i]=(p[i-1]*31)%mod;
        pre[i]=(pre[i-1]+p[i])%mod;
    }

    for(int pos=1;pos<=9;pos++)
        for(int i=0;i<n;i++)
            h[pos]=(h[pos]+(s[pos][i]-'A')*p[i])%mod;

}

void down(int node,int l,int r)
{
    if(!lz[node]) return;
    t[node]=(pre[r-l]*lz[node])%mod;
    if(l!=r)
    {
        lz[node<<1]=lz[node];
        lz[node<<1|1]=lz[node];
    }
    lz[node]=0;
}

void upd(int u,int v,int val,int node=1,int l=1,int r=n)
{
    down(node,l,r);
    if(u>r or v<l or l>r) return;
    if(u<=l and r<=v)
    {
        lz[node]=val;
        down(node,l,r);
        return;
    }
    int mid=(l+r)>>1;
    upd(u,v,val,node<<1,l,mid);
    upd(u,v,val,node<<1|1,mid+1,r);
    t[node]=(t[node<<1]+t[node<<1|1]*p[mid-l+1])%mod;
}

ll get()
{
    down(1,1,n);
    return t[1];
}

bool avail()
{
    ll val=get();
    for(int pos=1;pos<=9;pos++)
        if(val==h[pos])
            return 1;

    return 0;
}

void solve()
{
    cin>>n>>s[1]>>s[2]>>s[3];
    s[4]=xr(s[1],s[2]);
    s[5]=xr(s[1],s[3]);
    s[6]=xr(s[2],s[3]);
    s[7]=xr(s[3],s[4]);
    s[8]=xr(s[2],s[5]);
    s[9]=xr(s[1],s[6]);

    process();

    cin>>q>>cur;
    cur=' '+cur;
    for(int i=1;i<=n;i++)
        upd(i,i,cur[i]-'A');

    if(avail())
        cout<<"Yes\n";
    else
        cout<<"No\n";

    while(q--)
    {
        int l,r; char c;
        cin>>l>>r>>c;
        upd(l,r,c-'A');
        if(avail())
            cout<<"Yes\n";
        else
            cout<<"No\n";
    }



}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);   
    #define TASK "a"
    #ifndef EVAL
    freopen(TASK".inp","r",stdin);
    freopen(TASK".out","w",stdout);
    #endif
    int test=1;
    // cin>>test;
    while(test--)
        solve();
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 1272 KB Output is correct
2 Correct 76 ms 1324 KB Output is correct
3 Correct 88 ms 1252 KB Output is correct
4 Correct 65 ms 1264 KB Output is correct
5 Correct 64 ms 1256 KB Output is correct
6 Correct 65 ms 1236 KB Output is correct
7 Correct 62 ms 1232 KB Output is correct
8 Correct 67 ms 1280 KB Output is correct
9 Correct 66 ms 1228 KB Output is correct
10 Correct 67 ms 1268 KB Output is correct
11 Correct 69 ms 1312 KB Output is correct
12 Correct 67 ms 1296 KB Output is correct
13 Correct 72 ms 1264 KB Output is correct
14 Correct 71 ms 1280 KB Output is correct
15 Correct 91 ms 1304 KB Output is correct
16 Correct 69 ms 1272 KB Output is correct
17 Correct 70 ms 1236 KB Output is correct
18 Correct 75 ms 1228 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 1272 KB Output is correct
2 Correct 76 ms 1324 KB Output is correct
3 Correct 88 ms 1252 KB Output is correct
4 Correct 65 ms 1264 KB Output is correct
5 Correct 64 ms 1256 KB Output is correct
6 Correct 65 ms 1236 KB Output is correct
7 Correct 62 ms 1232 KB Output is correct
8 Correct 67 ms 1280 KB Output is correct
9 Correct 66 ms 1228 KB Output is correct
10 Correct 67 ms 1268 KB Output is correct
11 Correct 69 ms 1312 KB Output is correct
12 Correct 67 ms 1296 KB Output is correct
13 Correct 72 ms 1264 KB Output is correct
14 Correct 71 ms 1280 KB Output is correct
15 Correct 91 ms 1304 KB Output is correct
16 Correct 69 ms 1272 KB Output is correct
17 Correct 70 ms 1236 KB Output is correct
18 Correct 75 ms 1228 KB Output is correct
19 Correct 307 ms 14672 KB Output is correct
20 Correct 376 ms 13900 KB Output is correct
21 Correct 248 ms 14476 KB Output is correct
22 Correct 224 ms 13824 KB Output is correct
23 Correct 116 ms 2124 KB Output is correct
24 Correct 144 ms 2048 KB Output is correct
25 Correct 283 ms 14628 KB Output is correct
26 Correct 220 ms 14680 KB Output is correct
27 Correct 252 ms 14752 KB Output is correct
28 Correct 266 ms 14688 KB Output is correct
29 Correct 228 ms 14548 KB Output is correct
30 Correct 135 ms 2140 KB Output is correct
31 Correct 244 ms 14700 KB Output is correct
32 Correct 244 ms 14136 KB Output is correct
33 Correct 112 ms 2124 KB Output is correct
34 Correct 238 ms 14740 KB Output is correct
35 Correct 227 ms 13248 KB Output is correct
36 Correct 112 ms 2116 KB Output is correct
37 Correct 111 ms 2204 KB Output is correct
38 Correct 245 ms 13912 KB Output is correct
39 Correct 187 ms 13652 KB Output is correct
40 Correct 223 ms 9032 KB Output is correct
41 Correct 282 ms 14904 KB Output is correct
42 Correct 120 ms 13844 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 1272 KB Output is correct
2 Correct 76 ms 1324 KB Output is correct
3 Correct 88 ms 1252 KB Output is correct
4 Correct 65 ms 1264 KB Output is correct
5 Correct 64 ms 1256 KB Output is correct
6 Correct 65 ms 1236 KB Output is correct
7 Correct 62 ms 1232 KB Output is correct
8 Correct 67 ms 1280 KB Output is correct
9 Correct 66 ms 1228 KB Output is correct
10 Correct 67 ms 1268 KB Output is correct
11 Correct 69 ms 1312 KB Output is correct
12 Correct 67 ms 1296 KB Output is correct
13 Correct 72 ms 1264 KB Output is correct
14 Correct 71 ms 1280 KB Output is correct
15 Correct 91 ms 1304 KB Output is correct
16 Correct 69 ms 1272 KB Output is correct
17 Correct 70 ms 1236 KB Output is correct
18 Correct 75 ms 1228 KB Output is correct
19 Correct 72 ms 1264 KB Output is correct
20 Correct 74 ms 1248 KB Output is correct
21 Correct 77 ms 1280 KB Output is correct
22 Correct 63 ms 1184 KB Output is correct
23 Correct 69 ms 1312 KB Output is correct
24 Correct 65 ms 1196 KB Output is correct
25 Correct 69 ms 1260 KB Output is correct
26 Correct 62 ms 1188 KB Output is correct
27 Correct 73 ms 1264 KB Output is correct
28 Correct 74 ms 1268 KB Output is correct
29 Correct 76 ms 1224 KB Output is correct
30 Correct 56 ms 1168 KB Output is correct
31 Correct 63 ms 1228 KB Output is correct
32 Correct 66 ms 1332 KB Output is correct
33 Correct 73 ms 1296 KB Output is correct
34 Correct 76 ms 1188 KB Output is correct
35 Correct 68 ms 1220 KB Output is correct
36 Correct 65 ms 1324 KB Output is correct
37 Correct 91 ms 1228 KB Output is correct
38 Correct 64 ms 1396 KB Output is correct
39 Correct 64 ms 1292 KB Output is correct
40 Correct 63 ms 1228 KB Output is correct
41 Correct 69 ms 1228 KB Output is correct
42 Correct 64 ms 1284 KB Output is correct
43 Correct 61 ms 1228 KB Output is correct
44 Correct 85 ms 1208 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 1272 KB Output is correct
2 Correct 76 ms 1324 KB Output is correct
3 Correct 88 ms 1252 KB Output is correct
4 Correct 65 ms 1264 KB Output is correct
5 Correct 64 ms 1256 KB Output is correct
6 Correct 65 ms 1236 KB Output is correct
7 Correct 62 ms 1232 KB Output is correct
8 Correct 67 ms 1280 KB Output is correct
9 Correct 66 ms 1228 KB Output is correct
10 Correct 67 ms 1268 KB Output is correct
11 Correct 69 ms 1312 KB Output is correct
12 Correct 67 ms 1296 KB Output is correct
13 Correct 72 ms 1264 KB Output is correct
14 Correct 71 ms 1280 KB Output is correct
15 Correct 91 ms 1304 KB Output is correct
16 Correct 69 ms 1272 KB Output is correct
17 Correct 70 ms 1236 KB Output is correct
18 Correct 75 ms 1228 KB Output is correct
19 Correct 307 ms 14672 KB Output is correct
20 Correct 376 ms 13900 KB Output is correct
21 Correct 248 ms 14476 KB Output is correct
22 Correct 224 ms 13824 KB Output is correct
23 Correct 116 ms 2124 KB Output is correct
24 Correct 144 ms 2048 KB Output is correct
25 Correct 283 ms 14628 KB Output is correct
26 Correct 220 ms 14680 KB Output is correct
27 Correct 252 ms 14752 KB Output is correct
28 Correct 266 ms 14688 KB Output is correct
29 Correct 228 ms 14548 KB Output is correct
30 Correct 135 ms 2140 KB Output is correct
31 Correct 244 ms 14700 KB Output is correct
32 Correct 244 ms 14136 KB Output is correct
33 Correct 112 ms 2124 KB Output is correct
34 Correct 238 ms 14740 KB Output is correct
35 Correct 227 ms 13248 KB Output is correct
36 Correct 112 ms 2116 KB Output is correct
37 Correct 111 ms 2204 KB Output is correct
38 Correct 245 ms 13912 KB Output is correct
39 Correct 187 ms 13652 KB Output is correct
40 Correct 223 ms 9032 KB Output is correct
41 Correct 282 ms 14904 KB Output is correct
42 Correct 120 ms 13844 KB Output is correct
43 Correct 72 ms 1264 KB Output is correct
44 Correct 74 ms 1248 KB Output is correct
45 Correct 77 ms 1280 KB Output is correct
46 Correct 63 ms 1184 KB Output is correct
47 Correct 69 ms 1312 KB Output is correct
48 Correct 65 ms 1196 KB Output is correct
49 Correct 69 ms 1260 KB Output is correct
50 Correct 62 ms 1188 KB Output is correct
51 Correct 73 ms 1264 KB Output is correct
52 Correct 74 ms 1268 KB Output is correct
53 Correct 76 ms 1224 KB Output is correct
54 Correct 56 ms 1168 KB Output is correct
55 Correct 63 ms 1228 KB Output is correct
56 Correct 66 ms 1332 KB Output is correct
57 Correct 73 ms 1296 KB Output is correct
58 Correct 76 ms 1188 KB Output is correct
59 Correct 68 ms 1220 KB Output is correct
60 Correct 65 ms 1324 KB Output is correct
61 Correct 91 ms 1228 KB Output is correct
62 Correct 64 ms 1396 KB Output is correct
63 Correct 64 ms 1292 KB Output is correct
64 Correct 63 ms 1228 KB Output is correct
65 Correct 69 ms 1228 KB Output is correct
66 Correct 64 ms 1284 KB Output is correct
67 Correct 61 ms 1228 KB Output is correct
68 Correct 85 ms 1208 KB Output is correct
69 Correct 247 ms 13620 KB Output is correct
70 Correct 310 ms 13876 KB Output is correct
71 Correct 120 ms 2064 KB Output is correct
72 Correct 104 ms 2084 KB Output is correct
73 Correct 102 ms 2056 KB Output is correct
74 Correct 236 ms 14028 KB Output is correct
75 Correct 105 ms 2044 KB Output is correct
76 Correct 223 ms 14696 KB Output is correct
77 Correct 229 ms 13732 KB Output is correct
78 Correct 99 ms 2124 KB Output is correct
79 Correct 106 ms 2224 KB Output is correct
80 Correct 208 ms 13000 KB Output is correct
81 Correct 108 ms 2096 KB Output is correct
82 Correct 226 ms 14724 KB Output is correct
83 Correct 240 ms 14336 KB Output is correct
84 Correct 104 ms 2052 KB Output is correct
85 Correct 99 ms 2064 KB Output is correct
86 Correct 242 ms 13400 KB Output is correct
87 Correct 244 ms 14676 KB Output is correct
88 Correct 107 ms 2120 KB Output is correct
89 Correct 225 ms 13904 KB Output is correct
90 Correct 246 ms 14936 KB Output is correct
91 Correct 110 ms 2088 KB Output is correct
92 Correct 229 ms 13224 KB Output is correct
93 Correct 115 ms 2132 KB Output is correct
94 Correct 103 ms 2132 KB Output is correct
95 Correct 108 ms 2112 KB Output is correct
96 Correct 240 ms 13948 KB Output is correct
97 Correct 192 ms 13624 KB Output is correct
98 Correct 223 ms 9028 KB Output is correct
99 Correct 318 ms 14932 KB Output is correct
100 Correct 125 ms 13864 KB Output is correct