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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#204460 | #7561. Digit DP | ucup-team1209# | RE | 124ms | 451244kb | C++20 | 3.3kb | 2023-10-07 11:47:51 | 2023-10-07 11:47:52 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define rep(i,x,y) for (int i=(x);i<=(y);i++)
#define drep(i,y,x) for (int i=(y);i>=(x);i--)
#define pii pair<int,int>
#define fir first
#define sec second
#define MP make_pair
template<typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template<typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}
void file() {
#ifdef zqj
freopen("a.in","r",stdin);
#endif
}
typedef long long ll;
const ll mod=998244353ll;
#define sz 1010100
ll ksm(ll x,int y){ll res=1;for (;y;y>>=1,x=x*x%mod) if (y&1) res=res*x%mod;return res;}
ll inv(ll x){return ksm(x,mod-2);}
ll fac[sz],_fac[sz];
void init(){_fac[0]=fac[0]=1;rep(i,1,sz-1) _fac[i]=inv(fac[i]=fac[i-1]*i%mod);}
ll C(int n,int m){return n>=m&&m>=0?fac[n]*_fac[m]%mod*_fac[n-m]%mod:0;}
struct hh {
int s[4]; int n;
hh(){s[0]=1,s[1]=s[2]=s[3]=n=0;}
hh(ll x) {
s[0]=1,s[1]=x,s[2]=0,s[3]=0;
n=1;
}
hh operator + (const hh &a) const {
hh res;
rep(i,1,3) rep(j,0,i) res.s[i]=(res.s[i]+1ll*s[j]*a.s[i-j])%mod;
res.n=n+a.n;
return res;
}
hh operator + (const ll &x) const {
hh res;
res.n=n;
rep(i,1,3) {
ll t=1;
drep(j,i,0) {
res.s[i]=(res.s[i]+(ll)s[j]*t%mod*C(n-j,n-i))%mod;
t=t*x%mod;
}
}
return res;
}
void print() {
cout<<n<<": ";
rep(i,0,3) cout<<s[i]<<" \n"[i==3];
}
};
using i128 = __int128;
const int M = 50005 * 110 * 4;
int ls[M], rs[M], add[M], cc;
hh v[M];
int cpy(int x) {
ls[++cc] = ls[x];
rs[cc] = rs[x];
add[cc] = add[x];
v[cc] = v[x];
return cc;
}
void update(int x) {
v[x] = (v[ls[x]] + v[rs[x]]) + add[x];
}
void put(int x, int w) {
v[x] = v[x] + w;
add[x] = (add[x] + w) % mod;
}
int n, q;
ll a[100];
int root;
i128 get() {
std::string s;
cin >> s;
i128 res = 0;
for(char c : s) res = res * 2 + (c - '0');
return res;
}
i128 sgtr;
namespace {
int apply(int rt, i128 ql, i128 qr, int v, i128 l = 0, i128 r = sgtr) {
if(ql <= l && r <= qr) {
int x = cpy(rt); put(x, v);
return x;
}
i128 mid = (l + r) >> 1;
int x = cpy(rt);
if(ql <= mid) ls[x] = apply(ls[rt], ql, qr, v, l, mid);
if(mid < qr) rs[x] = apply(rs[rt], ql, qr, v, mid + 1, r);
update(x);
return x;
}
hh sum;
void dfs(int rt, i128 ql, i128 qr, ll tag, i128 l = 0, i128 r = sgtr) {
if(ql <= l && r <= qr) {
sum = sum + (v[rt] + (tag % mod));
return ;
}
i128 mid = (l + r) >> 1;
if(ql <= mid) dfs(ls[rt], ql, qr, tag + add[rt], l, mid);
if(mid < qr) dfs(rs[rt], ql, qr, tag + add[rt], mid + 1, r);
}
}
int main() {
file();
init();
std::ios::sync_with_stdio(false), cin.tie(0);
cin >> n >> q;
root = cc = 1;
v[root] = hh(0);
for(int i = 0;i < n;++i) {
cin >> a[i];
int R = cpy(root);
put(R, a[i]);
ls[++cc] = root;
rs[cc] = R;
update(root = cc);
}
sgtr = ((i128)1 << n) - 1;
for(int i = 0;i < q;++i) {
int op, x; i128 l, r;
cin >> op;
if(op == 1) {
l = get();
r = get();
cin >> x;
root = apply(root, l, r, x % mod);
} else {
l = get();
r = get();
sum = hh();
dfs(root, l, r, 0);
cout << sum.s[3] << '\n';
}
}
}
Details
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Test #1:
score: 100
Accepted
time: 115ms
memory: 451244kb
input:
3 3 1 2 4 2 000 111 1 010 101 1 2 000 111
output:
1960 3040
result:
ok 2 number(s): "1960 3040"
Test #2:
score: 0
Accepted
time: 124ms
memory: 450904kb
input:
2 2 1 1 2 00 10 2 00 11
output:
0 2
result:
ok 2 number(s): "0 2"
Test #3:
score: -100
Runtime Error
input:
99 49952 470888 74578 802746 396295 386884 721198 628655 722503 207868 647942 87506 792718 761498 917727 843338 908043 952768 268783 375312 414369 319712 96230 277106 168102 263554 936674 246545 667941 198849 268921 191459 436316 134606 802932 515506 837311 465964 394766 17626 650419 984050 790137 4...