QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#382318 | #7782. Ursa Minor | nguyentunglam | WA | 753ms | 28660kb | C++17 | 3.7kb | 2024-04-08 12:17:20 | 2024-04-08 12:17:20 |
Judging History
answer
#include<bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define endl "\n"
//#define int long long
using namespace std;
const int N = 2e5 + 10, T1 = 300, T2 = 300;
const long long base = 177013, mod = 1e9 + 7;
long long pw[N], f[N], a[N], sum[T1 + 10][N / T2 + 10];
long long sum_block[N / T2 + 10], pref_block[N / T2 + 10], pref[N];
int lg[N], rmq[20][N];
int b[N];
int n, m, q;
void handle (int p) {
long long old = f[p];
f[p] = p > 1 ? a[p] - a[p - 1] : a[p] - a[n];
f[p] %= mod;
for(int c = 1; c <= T1; c++) {
sum[c][p / T2] += (f[p] - old) * pw[p % c] % mod;
}
sum_block[p / T2] += (f[p] - old) * pw[p];
sum_block[p / T2] %= mod;
pref_block[0] = sum_block[0];
for(int i = 1; i <= n / T2; i++) pref_block[i] = pref_block[i - 1] + sum_block[i];
for(int i = max(1, p / T2 * T2); i <= min(n, p / T2 * T2 + T2 - 1); i++) {
pref[i] = (f[i] * pw[i] % mod);
if (i != p / T2 * T2) pref[i] += pref[i - 1];
}
}
long long get_block (int l, int r) {
if (l != l / T2 * T2) return pref[r] - pref[l - 1];
return pref[r];
}
long long get (int l, int r) {
if (l / T2 == r / T2) return get_block(l, r);
// cout << pref_block[r / T2 - 1] - pref_block[l / T2];
// cout << get_block(r / T2 * T2, r);
// cout << get_block(l, l / T2 * T2 - 1) << endl;
return get_block(r / T2 * T2, r) + get_block(l, l / T2 * T2 + T2 - 1) + pref_block[r / T2 - 1] - pref_block[l / T2];
}
void update(int p, int v) {
a[p] = v;
handle(p);
if (p + 1 <= n) handle(p + 1);
else handle(1);
}
tuple<int, int, int, int> query[N];
int get_gcd (int l, int r) {
int k = lg[r - l + 1];
return __gcd(rmq[k][l], rmq[k][r - (1 << k) + 1]);
}
int32_t main() {
#define task ""
cin.tie(0) -> sync_with_stdio(0);
if (fopen("task.inp", "r")) {
freopen("task.inp", "r", stdin);
freopen("task.out", "w", stdout);
}
if (fopen(task".inp", "r")) {
freopen (task".inp", "r", stdin);
freopen (task".out", "w", stdout);
}
cin >> n >> m >> q;
pw[0] = 1;
for(int i = 1; i <= n; i++) {
pw[i] = pw[i - 1] * base % mod;
}
for(int i = 1; i <= n; i++) {
cin >> a[i];
update(i, a[i]);
}
for(int i = 2; i <= m; i++) lg[i] = lg[i / 2] + 1;
for(int i = 1; i <= m; i++) cin >> rmq[0][i];
for(int j = 1; j <= lg[m]; j++) for(int i = 1; i + (1 << j) - 1 <= m; i++) {
rmq[j][i] = __gcd(rmq[j - 1][i], rmq[j - 1][i + (1 << j - 1)]);
}
// cout << get(4, 5);
// return 0;
while (q--) {
char type; cin >> type;
if (type == 'U') {
int p, v; cin >> p >> v;
update(p, v);
}
else {
int x, y, u, v; cin >> x >> y >> u >> v;
int c = __gcd(y - x + 1, get_gcd(u, v));
long long hs = 0;
// cout << c << endl;
if (c <= T1) {
int st = x / T2;
int ed = y / T2;
for(int i = st + 1; i < ed; i++) hs += sum[c][i];
if (st == ed) {
for(int i = x; i <= y; i++) hs += f[i] * pw[i % c];
}
else {
for(int i = x; i <= st * T2 + T2 - 1; i++) hs += f[i] * pw[i % c];
for(int i = y; i >= ed * T2; i--) hs += f[i] * pw[i % c];
}
hs -= f[x] * pw[x % c];
hs += (a[x] - a[y]) * pw[x % c];
// cout << hs << endl;
cout << (hs == 0 ? "Yes\n" : "No\n");
}
else {
for(int i = x; i <= y; i += c) {
hs += get(i, i + c - 1) % mod * pw[n - i] % mod;
// cout << get(i, i + c - 1) << " " << i << " " << get(4, 5) << endl;
// cout << pw[4] << endl;
}
hs -= f[x] * pw[n];
hs += (a[x] - a[y]) * pw[n];
hs %= mod;
// cout << hs << endl;
cout << (hs == 0 ? "Yes\n" : "No\n");
}
}
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 15876kb
input:
6 4 5 1 1 4 5 1 4 3 3 2 4 Q 1 5 1 2 Q 2 5 3 4 U 5 2 Q 1 6 1 2 Q 2 5 3 4
output:
Yes No No Yes
result:
ok 4 tokens
Test #2:
score: 0
Accepted
time: 2ms
memory: 13960kb
input:
1 1 1 0 1 Q 1 1 1 1
output:
Yes
result:
ok "Yes"
Test #3:
score: 0
Accepted
time: 260ms
memory: 20148kb
input:
2000 2000 200000 1 1 2 0 0 2 0 2 0 0 0 0 0 2 2 1 2 0 0 2 2 2 1 0 1 2 1 2 0 0 1 1 1 2 0 0 2 2 2 2 0 2 0 0 2 1 2 0 0 1 2 2 1 0 2 0 0 0 1 2 2 1 2 2 0 0 1 1 1 0 0 2 0 0 1 1 0 2 2 2 1 0 0 1 0 1 2 2 2 1 1 2 2 1 2 1 0 2 2 3 1 3 2 3 1 0 1 2 0 1 1 1 0 2 2 3 2 0 3 2 3 3 1 2 3 1 2 0 1 0 3 1 0 0 2 0 1 2 1 3 2 2...
output:
Yes Yes No Yes Yes No No No Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes No Yes Yes No No No No No Yes No No No Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes No Yes Yes Yes No No Yes No Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes No...
result:
ok 100554 tokens
Test #4:
score: 0
Accepted
time: 168ms
memory: 28244kb
input:
1 200000 200000 998244353 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
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 100240 tokens
Test #5:
score: 0
Accepted
time: 162ms
memory: 24644kb
input:
6 131072 200000 0 0 0 0 1000000000 1000000000 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 ...
output:
Yes Yes Yes No No No Yes No No No No No Yes Yes No Yes No Yes Yes Yes No No No No No No No Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes No No No No Yes Yes 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 Yes No No No No No No Yes Yes No Yes N...
result:
ok 100021 tokens
Test #6:
score: -100
Wrong Answer
time: 753ms
memory: 28660kb
input:
200000 200000 200000 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877 490339877...
output:
No No No No No No No No No No No No No No Yes No No No Yes No No No No No No No No No No No No No No Yes No No No No No Yes Yes Yes No No No No No No No No Yes 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 Yes No Yes Yes No No No No No No No No N...
result:
wrong answer 23932nd words differ - expected: 'Yes', found: 'No'