QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#790668 | #9302. Caesar Cipher | IllusionaryDominance# | WA | 624ms | 44384kb | C++20 | 3.3kb | 2024-11-28 14:32:42 | 2024-11-28 14:32:43 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 5e5 + 10;
const ll base = 1e9 + 7;
const ll MOD = 998244353998244347ll;
ll pw[N], preSum[N], a[N];
struct SegmentTree{
ll tag[N << 2], maxs[N << 2], Hash[N << 2];
void push_down(int o, int lenL, int lenR) {
if(tag[o]){
tag[o << 1] += tag[o];
tag[o << 1 | 1] += tag[o];
maxs[o << 1] += tag[o];
maxs[o << 1 | 1] += tag[o];
(Hash[o << 1] += preSum[lenL - 1]) %= MOD;
(Hash[o << 1 | 1] += preSum[lenR - 1]) %= MOD;
tag[o] = 0;
}
}
void push_up(int o, int lenL, int lenR) {maxs[o] = max(maxs[o << 1], maxs[o << 1 | 1]), Hash[o] = (((__int128)Hash[o << 1] * pw[lenR]) + Hash[o << 1 | 1]) % MOD;}
void build(int o, int l, int r) {
if(l == r) return maxs[o] = Hash[o] = a[l], []{}();
int mid = (l + r) >> 1;
build(o << 1, l, mid);
build(o << 1 | 1, mid + 1, r);
push_up(o, mid - l + 1, r - mid);
// cerr << "o: " << o << " " << l << " " << r << " " << Hash[o] << " " << maxs[o] << "\n";
}
void modifyAdd(int o, int l, int r, int L, int R) {
if(L <= l && r <= R) return ++ tag[o], ++ maxs[o], (Hash[o] += preSum[r - l]) %= MOD, []{}();
int mid = (l + r) >> 1;
push_down(o, mid - l + 1, r - mid);
if(mid >= L) modifyAdd(o << 1, l, mid, L, R);
if(mid < R) modifyAdd(o << 1 | 1, mid + 1, r, L, R);
push_up(o, mid - l + 1, r - mid);
}
void cover(int o, int l, int r) {
if(maxs[o] < 65536) return;
if(l == r) return tag[o] = maxs[o] = Hash[o] = 0, []{}();
int mid = (l + r) >> 1;
push_down(o, mid - l + 1, r - mid);
cover(o << 1, l, mid); cover(o << 1 | 1, mid + 1, r);
push_up(o, mid - l + 1, r - mid);
}
pair<ll, int> queryHash(int o, int l, int r, int L, int R) {
if(L <= l && r <= R) return {Hash[o], r - l + 1};
int mid = (l + r) >> 1;
pair<ll, int>re1 = {0, 0}, re2 = {0, 0};
push_down(o, mid - l + 1, r - mid);
if(mid >= L) re1 = queryHash(o << 1, l, mid, L, R);
if(mid < R) re2 = queryHash(o << 1 | 1, mid + 1, r, L, R);
return {((__int128)re1.first * pw[re2.second] + re2.first) % MOD, re1.second + re2.second};
}
}Sgtree;
int main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
int n, q; cin >> n >> q;
pw[0] = preSum[0] = 1;
for (int i = 1; i <= n; ++ i) pw[i] = (__int128)pw[i - 1] * base % MOD, preSum[i] = (preSum[i - 1] + pw[i]) % MOD;
for (int i = 1; i <= n; ++ i) cin >> a[i];
Sgtree.build(1, 1, n);
// for (int i = 1; i <= n; ++ i) cerr << Sgtree.queryHash(1, 1, n, i, i).first << "\n";
for (int i = 1; i <= q; ++ i){
int op, x, y, L, l, r;
cin >> op;
switch (op)
{
case 1:
cin >> l >> r;
Sgtree.modifyAdd(1, 1, n, l, r);
Sgtree.cover(1, 1, n);
break;
default:
cin >> x >> y >> L;
cout << (Sgtree.queryHash(1, 1, n, x, x + L - 1) == Sgtree.queryHash(1, 1, n, y, y + L - 1) ? "yes\n" : "no\n");
break;
}
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 14080kb
input:
5 6 1 2 1 2 1 2 1 2 2 2 1 3 3 1 1 1 1 3 5 2 1 2 4 2 1 2 2
output:
no yes no yes
result:
ok 4 token(s): yes count is 2, no count is 2
Test #2:
score: 0
Accepted
time: 2ms
memory: 13868kb
input:
3 3 0 65535 65535 2 1 2 2 1 2 3 2 1 2 2
output:
no yes
result:
ok 2 token(s): yes count is 1, no count is 1
Test #3:
score: 0
Accepted
time: 0ms
memory: 13860kb
input:
1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 1000 token(s): yes count is 1000, no count is 0
Test #4:
score: 0
Accepted
time: 92ms
memory: 24280kb
input:
100000 100000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 100000 token(s): yes count is 100000, no count is 0
Test #5:
score: 0
Accepted
time: 624ms
memory: 36248kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 500000 token(s): yes count is 500000, no count is 0
Test #6:
score: 0
Accepted
time: 572ms
memory: 36352kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes ...
result:
ok 500000 token(s): yes count is 500000, no count is 0
Test #7:
score: 0
Accepted
time: 577ms
memory: 36464kb
input:
500000 500000 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 6553...
output:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes no yes ...
result:
ok 500000 token(s): yes count is 449947, no count is 50053
Test #8:
score: -100
Wrong Answer
time: 527ms
memory: 44384kb
input:
500000 500000 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 4999...
output:
yes yes no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no yes no no no no no no no no no no no no no no no no no no no no no no no no no no no no yes no no no no...
result:
wrong answer expected YES, found NO [3rd token]