QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#382297 | #7782. Ursa Minor | nguyentunglam | WA | 82ms | 486936kb | C++17 | 2.3kb | 2024-04-08 11:27:27 | 2024-04-08 11:27:27 |
Judging History
answer
#include<bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define endl "\n"
using namespace std;
const int N = 2e5 + 10, base = 100, mod = 1e9 + 7, T1 = 300, T2 = 1;
long long pw[N], f[N], a[N], sum[T1 + 10][N / T2 + 10];
int lg[N], rmq[20][N];
int b[N];
int n, m, q;
void update (int p, int v) {
long long old = f[p];
a[p] = v;
f[p] = p > 1 ? a[p] - a[p - 1] : a[p] - a[n];
for(int c = 1; c <= T1; c++) {
sum[c][p / T2] += (f[p] - old) * pw[p % c];
}
}
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)]);
}
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;
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 {
cout << 1 << endl;
}
}
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 482840kb
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: 0ms
memory: 480888kb
input:
1 1 1 0 1 Q 1 1 1 1
output:
Yes
result:
ok "Yes"
Test #3:
score: -100
Wrong Answer
time: 82ms
memory: 486936kb
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 No 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 No Yes No No Yes No No No No No Yes Yes Yes Yes Yes No No No Yes No Yes Yes Yes No Yes Y...
result:
wrong answer 25th words differ - expected: 'Yes', found: 'No'