oj.uz

Submission #661801

# Submission time Handle Problem Language Result Execution time Memory
661801 2022-11-26T05:04:47 Z victor_gao Crossing (JOI21_crossing) C++17
100 / 100
 400 ms 16276 KB 
//#pragma GCC optimize("Ofast,unroll-loops,O3")
//#pragma GCC optimize("avx,avx2,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,fma,tune=native")
#include<bits/stdc++.h>
//#include<bits/extc++.h>
//#pragma pack(1)
#define fast ios::sync_with_stdio(0); cin.tie(0);
#define int long long
#define pii pair<int,int>
#define x first
#define y second
#define N 200015
using namespace std;
//using namespace __gnu_pbds;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//typedef tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> order_multiset;
//typedef tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> order_set;
const int mod1=233LL;
const int mod2=998244353LL;
const int inv1=844009174LL;
const int inv_mod1_1=684141604LL;
int n,p[N],inv[N];
string s1,s2,s3;
char get(char a,char b){
    if (a==b) return a;
    else if (a!='O'&&b!='O') return 'O';
    else if (a!='J'&&b!='J') return 'J';
    return 'I';
}
string cross(string a,string b){
    string ans="";
    for (int i=0;i<n;i++)
        ans.push_back(get(a[i],b[i]));
    return ans;
}
string ori;
set<int>can;
int fast_pow(int a,int b,int mod){
    int ans=1;
    while (b){
        if (b&1) ans=ans*a%mod;
        a=a*a%mod;
        b>>=1;
    }
    return ans;
}
struct segtree{
    int seg[4*N],tag[4*N];
    void build(int l,int r,int i){
        if (l==r){
            seg[i]=(ori[l-1]-'A')*p[l-1]%mod2;
            return;
        }
        int mid=(l+r)>>1;
        build(l,mid,2*i);
        build(mid+1,r,2*i+1);
        seg[i]=(seg[2*i]+seg[2*i+1])%mod2;
    }
    int count(int l,int r,char c){
        return p[l-1]*((p[r-l+1]-1+mod2)%mod2)%mod2*inv_mod1_1%mod2*(c-'A')%mod2;
    }
    void push(int l,int r,int i){
        if (tag[i]){
            int mid=(l+r)>>1;
            tag[2*i]=tag[i];
            seg[2*i]=count(l,mid,(char)(tag[i]+'A'));
            tag[2*i+1]=tag[i];
            seg[2*i+1]=count(mid+1,r,(char)(tag[i]+'A'));
            tag[i]=0;
        }
    }
    void modify(int l,int r,int i,int ll,int rr,char c){
        if (ll<=l&&rr>=r){
            tag[i]=c-'A';
            seg[i]=count(l,r,c);
            return;
        }
        int mid=(l+r)>>1;
        push(l,r,i);
        if (rr<=mid) modify(l,mid,2*i,ll,rr,c);
        else if (ll>mid) modify(mid+1,r,2*i+1,ll,rr,c);
        else {
            modify(l,mid,2*i,ll,mid,c);
            modify(mid+1,r,2*i+1,mid+1,rr,c);
        }
        seg[i]=(seg[2*i]+seg[2*i+1])%mod2;
    }
}seg;
int get_hash(string str){
    int val=0;
    for (int i=0;i<n;i++)
        val=(val+p[i]*(str[i]-'A'))%mod2;
    return val;
}
void build(){
    p[0]=1; inv[0]=1;
    for (int i=1;i<=n;i++){
        p[i]=p[i-1]*mod1%mod2;
        inv[i]=inv[i-1]*inv1%mod2;
    }
    vector<string>all;
    all.push_back(s1); all.push_back(s2); all.push_back(s3);
    set<string>st;
    for (auto i:all)
        st.insert(i);
    for (int h=0;h<2;h++){
        all.clear();
        for (auto i:st)
            all.push_back(i);
        for (int i=0;i<all.size();i++){
            for (int j=i+1;j<all.size();j++){
                string str=cross(all[i],all[j]);
                st.insert(str);
            }
        }
    }
    for (auto i:st){
        can.insert(get_hash(i));
    }
}
signed main(){
    fast
    cin>>n>>s1>>s2>>s3;
    build();
    int q; cin>>q;
    cin>>ori;
    seg.build(1,n,1);
    if (can.find(seg.seg[1])!=can.end())
        cout<<"Yes\n";
    else cout<<"No\n";
    while (q--){
        int l,r;
        char c;
        cin>>l>>r>>c;
        seg.modify(1,n,1,l,r,c);
        if (can.find(seg.seg[1])!=can.end())
            cout<<"Yes\n";
        else cout<<"No\n";
    }
}

Compilation message

Main.cpp: In function 'void build()':
Main.cpp:109:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |         for (int i=0;i<all.size();i++){
      |                      ~^~~~~~~~~~~
Main.cpp:110:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  110 |             for (int j=i+1;j<all.size();j++){
      |                            ~^~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 800 KB Output is correct
2 Correct 69 ms 952 KB Output is correct
3 Correct 76 ms 920 KB Output is correct
4 Correct 54 ms 844 KB Output is correct
5 Correct 53 ms 820 KB Output is correct
6 Correct 60 ms 920 KB Output is correct
7 Correct 56 ms 840 KB Output is correct
8 Correct 70 ms 932 KB Output is correct
9 Correct 58 ms 936 KB Output is correct
10 Correct 57 ms 936 KB Output is correct
11 Correct 70 ms 1004 KB Output is correct
12 Correct 57 ms 912 KB Output is correct
13 Correct 63 ms 844 KB Output is correct
14 Correct 57 ms 844 KB Output is correct
15 Correct 57 ms 904 KB Output is correct
16 Correct 58 ms 940 KB Output is correct
17 Correct 56 ms 912 KB Output is correct
18 Correct 70 ms 960 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 800 KB Output is correct
2 Correct 69 ms 952 KB Output is correct
3 Correct 76 ms 920 KB Output is correct
4 Correct 54 ms 844 KB Output is correct
5 Correct 53 ms 820 KB Output is correct
6 Correct 60 ms 920 KB Output is correct
7 Correct 56 ms 840 KB Output is correct
8 Correct 70 ms 932 KB Output is correct
9 Correct 58 ms 936 KB Output is correct
10 Correct 57 ms 936 KB Output is correct
11 Correct 70 ms 1004 KB Output is correct
12 Correct 57 ms 912 KB Output is correct
13 Correct 63 ms 844 KB Output is correct
14 Correct 57 ms 844 KB Output is correct
15 Correct 57 ms 904 KB Output is correct
16 Correct 58 ms 940 KB Output is correct
17 Correct 56 ms 912 KB Output is correct
18 Correct 70 ms 960 KB Output is correct
19 Correct 326 ms 13272 KB Output is correct
20 Correct 216 ms 10012 KB Output is correct
21 Correct 132 ms 12848 KB Output is correct
22 Correct 134 ms 12516 KB Output is correct
23 Correct 91 ms 1772 KB Output is correct
24 Correct 89 ms 1708 KB Output is correct
25 Correct 144 ms 13240 KB Output is correct
26 Correct 150 ms 13260 KB Output is correct
27 Correct 190 ms 13272 KB Output is correct
28 Correct 185 ms 13200 KB Output is correct
29 Correct 155 ms 13152 KB Output is correct
30 Correct 100 ms 1700 KB Output is correct
31 Correct 151 ms 13188 KB Output is correct
32 Correct 168 ms 12828 KB Output is correct
33 Correct 91 ms 1712 KB Output is correct
34 Correct 171 ms 13344 KB Output is correct
35 Correct 127 ms 12148 KB Output is correct
36 Correct 88 ms 1708 KB Output is correct
37 Correct 87 ms 1608 KB Output is correct
38 Correct 205 ms 10044 KB Output is correct
39 Correct 96 ms 9192 KB Output is correct
40 Correct 137 ms 7980 KB Output is correct
41 Correct 376 ms 13424 KB Output is correct
42 Correct 47 ms 9292 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 800 KB Output is correct
2 Correct 69 ms 952 KB Output is correct
3 Correct 76 ms 920 KB Output is correct
4 Correct 54 ms 844 KB Output is correct
5 Correct 53 ms 820 KB Output is correct
6 Correct 60 ms 920 KB Output is correct
7 Correct 56 ms 840 KB Output is correct
8 Correct 70 ms 932 KB Output is correct
9 Correct 58 ms 936 KB Output is correct
10 Correct 57 ms 936 KB Output is correct
11 Correct 70 ms 1004 KB Output is correct
12 Correct 57 ms 912 KB Output is correct
13 Correct 63 ms 844 KB Output is correct
14 Correct 57 ms 844 KB Output is correct
15 Correct 57 ms 904 KB Output is correct
16 Correct 58 ms 940 KB Output is correct
17 Correct 56 ms 912 KB Output is correct
18 Correct 70 ms 960 KB Output is correct
19 Correct 71 ms 824 KB Output is correct
20 Correct 81 ms 912 KB Output is correct
21 Correct 68 ms 840 KB Output is correct
22 Correct 57 ms 888 KB Output is correct
23 Correct 59 ms 880 KB Output is correct
24 Correct 59 ms 972 KB Output is correct
25 Correct 60 ms 944 KB Output is correct
26 Correct 55 ms 876 KB Output is correct
27 Correct 59 ms 944 KB Output is correct
28 Correct 57 ms 860 KB Output is correct
29 Correct 59 ms 936 KB Output is correct
30 Correct 53 ms 896 KB Output is correct
31 Correct 63 ms 1028 KB Output is correct
32 Correct 60 ms 928 KB Output is correct
33 Correct 68 ms 876 KB Output is correct
34 Correct 59 ms 796 KB Output is correct
35 Correct 62 ms 952 KB Output is correct
36 Correct 63 ms 888 KB Output is correct
37 Correct 66 ms 852 KB Output is correct
38 Correct 76 ms 840 KB Output is correct
39 Correct 64 ms 932 KB Output is correct
40 Correct 62 ms 840 KB Output is correct
41 Correct 64 ms 860 KB Output is correct
42 Correct 61 ms 844 KB Output is correct
43 Correct 71 ms 916 KB Output is correct
44 Correct 63 ms 916 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 800 KB Output is correct
2 Correct 69 ms 952 KB Output is correct
3 Correct 76 ms 920 KB Output is correct
4 Correct 54 ms 844 KB Output is correct
5 Correct 53 ms 820 KB Output is correct
6 Correct 60 ms 920 KB Output is correct
7 Correct 56 ms 840 KB Output is correct
8 Correct 70 ms 932 KB Output is correct
9 Correct 58 ms 936 KB Output is correct
10 Correct 57 ms 936 KB Output is correct
11 Correct 70 ms 1004 KB Output is correct
12 Correct 57 ms 912 KB Output is correct
13 Correct 63 ms 844 KB Output is correct
14 Correct 57 ms 844 KB Output is correct
15 Correct 57 ms 904 KB Output is correct
16 Correct 58 ms 940 KB Output is correct
17 Correct 56 ms 912 KB Output is correct
18 Correct 70 ms 960 KB Output is correct
19 Correct 326 ms 13272 KB Output is correct
20 Correct 216 ms 10012 KB Output is correct
21 Correct 132 ms 12848 KB Output is correct
22 Correct 134 ms 12516 KB Output is correct
23 Correct 91 ms 1772 KB Output is correct
24 Correct 89 ms 1708 KB Output is correct
25 Correct 144 ms 13240 KB Output is correct
26 Correct 150 ms 13260 KB Output is correct
27 Correct 190 ms 13272 KB Output is correct
28 Correct 185 ms 13200 KB Output is correct
29 Correct 155 ms 13152 KB Output is correct
30 Correct 100 ms 1700 KB Output is correct
31 Correct 151 ms 13188 KB Output is correct
32 Correct 168 ms 12828 KB Output is correct
33 Correct 91 ms 1712 KB Output is correct
34 Correct 171 ms 13344 KB Output is correct
35 Correct 127 ms 12148 KB Output is correct
36 Correct 88 ms 1708 KB Output is correct
37 Correct 87 ms 1608 KB Output is correct
38 Correct 205 ms 10044 KB Output is correct
39 Correct 96 ms 9192 KB Output is correct
40 Correct 137 ms 7980 KB Output is correct
41 Correct 376 ms 13424 KB Output is correct
42 Correct 47 ms 9292 KB Output is correct
43 Correct 71 ms 824 KB Output is correct
44 Correct 81 ms 912 KB Output is correct
45 Correct 68 ms 840 KB Output is correct
46 Correct 57 ms 888 KB Output is correct
47 Correct 59 ms 880 KB Output is correct
48 Correct 59 ms 972 KB Output is correct
49 Correct 60 ms 944 KB Output is correct
50 Correct 55 ms 876 KB Output is correct
51 Correct 59 ms 944 KB Output is correct
52 Correct 57 ms 860 KB Output is correct
53 Correct 59 ms 936 KB Output is correct
54 Correct 53 ms 896 KB Output is correct
55 Correct 63 ms 1028 KB Output is correct
56 Correct 60 ms 928 KB Output is correct
57 Correct 68 ms 876 KB Output is correct
58 Correct 59 ms 796 KB Output is correct
59 Correct 62 ms 952 KB Output is correct
60 Correct 63 ms 888 KB Output is correct
61 Correct 66 ms 852 KB Output is correct
62 Correct 76 ms 840 KB Output is correct
63 Correct 64 ms 932 KB Output is correct
64 Correct 62 ms 840 KB Output is correct
65 Correct 64 ms 860 KB Output is correct
66 Correct 61 ms 844 KB Output is correct
67 Correct 71 ms 916 KB Output is correct
68 Correct 63 ms 916 KB Output is correct
69 Correct 315 ms 14948 KB Output is correct
70 Correct 303 ms 12848 KB Output is correct
71 Correct 95 ms 1676 KB Output is correct
72 Correct 95 ms 1836 KB Output is correct
73 Correct 98 ms 1720 KB Output is correct
74 Correct 166 ms 13564 KB Output is correct
75 Correct 89 ms 1728 KB Output is correct
76 Correct 161 ms 14424 KB Output is correct
77 Correct 152 ms 13492 KB Output is correct
78 Correct 95 ms 1736 KB Output is correct
79 Correct 94 ms 1740 KB Output is correct
80 Correct 183 ms 14052 KB Output is correct
81 Correct 97 ms 1728 KB Output is correct
82 Correct 191 ms 16104 KB Output is correct
83 Correct 243 ms 15764 KB Output is correct
84 Correct 98 ms 1704 KB Output is correct
85 Correct 111 ms 1852 KB Output is correct
86 Correct 206 ms 14448 KB Output is correct
87 Correct 194 ms 16076 KB Output is correct
88 Correct 115 ms 1756 KB Output is correct
89 Correct 254 ms 15260 KB Output is correct
90 Correct 214 ms 16040 KB Output is correct
91 Correct 118 ms 1812 KB Output is correct
92 Correct 230 ms 14288 KB Output is correct
93 Correct 117 ms 1728 KB Output is correct
94 Correct 104 ms 1700 KB Output is correct
95 Correct 107 ms 1788 KB Output is correct
96 Correct 216 ms 9944 KB Output is correct
97 Correct 144 ms 12040 KB Output is correct
98 Correct 192 ms 9680 KB Output is correct
99 Correct 400 ms 16276 KB Output is correct
100 Correct 103 ms 12136 KB Output is correct