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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#318474 | #7782. Ursa Minor | Network_Error | ML | 1106ms | 40168kb | C++14 | 5.0kb | 2024-01-31 11:20:21 | 2024-01-31 11:20:21 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int, int>
#define piii tuple<int, int, int>
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define deb(var) cerr << #var << '=' << (var) << "; "
//#define int long long
#define ull unsigned long long
namespace IO {
#define BF 65536
char buf[BF], *p1 = buf, *p2 = buf;
#define getchar() (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, BF, stdin), p1 == p2) ? EOF : *p1++)
// template<typename T>
inline int uread() {
int x = 0; char c = getchar();
while (!isdigit(c)) c = getchar();
while (isdigit(c)) x = x * 10 + (c ^ 48), c = getchar(); return x;
}
// template<typename T>
inline int read() {
int x = 0, f = 0; char c = getchar();
while (!isdigit(c)) f |= c == '-', c = getchar();
while (isdigit(c)) x = x * 10 + (c ^ 48), c = getchar(); return f ? -x : x;
}
char obuf[BF + 30]; int o1, o2, num[30];
#define flush() fwrite(obuf, 1, o1, stdout), o1 = 0
inline void putchar(const char &c) {
obuf[o1++] = c; if (o1 >= BF) flush();
}
// template<typename T>
inline void uwrite(int x) {
do num[++o2] = x % 10; while (x /= 10);
do obuf[o1++] = num[o2] ^ 48; while (--o2); obuf[o1++] = '\n'; if (o1 >= BF) flush();
}
// template<typename T>
inline void write(const int& x) {
if (x < 0) obuf[o1++] = '-', uwrite(-x); else uwrite(x);
}
} using namespace IO;
namespace Maths {
ull power(ull x, ull y) {
ull ans = 1; while (y) {
if (y & 1) ans = ans * x; y >>= 1; x = x * x;
} return ans;
}
ull inv(ull x) {
ull y = x;
y *= 2 - x * y, y *= 2 - x * y, y *= 2 - x * y, y *= 2 - x * y, y *= 2 - x * y; return y;
}
} using namespace Maths;
namespace Loser {
int n, m, q, a[200010], b[200010];
struct stable {
int w[200010][19];
void init() {
for (int i = 1; i <= m; i++) w[i][0] = b[i];
for (int k = 1; k <= 18; k++)
for (int i = 1; i + (1 << k) - 1 <= m; i++) w[i][k] = __gcd(w[i][k - 1], w[i + (1 << (k - 1))][k - 1]);
}
int query(int l, int r) {
int lg = log2(r - l + 1);
return __gcd(w[l][lg], w[r - (1 << lg) + 1][lg]);
}
} st;
const int mxk = 300;
const int siz = 2; const ull x[siz] = {10111, 1000000001213};
ull powx[siz][200010], invx[siz][200010], sumx[siz][200010];
const int blk = 300; int tot, bel[200010], L[200010 / blk + 5], R[200010 / blk + 5];
struct block1 { // O(1)修 O(sqrt)查
ull w[200010], sum[200010 / blk + 5];
void upd(int p, ull x) {
sum[bel[p]] += x - w[p]; w[p] = x;
}
ull query(int l, int r) {
ull ans = 0;
if (bel[l] == bel[r]) {
for (int i = l; i <= r; i++) ans += w[i]; return ans;
}
for (int i = bel[l] + 1; i < bel[r]; i++) ans += sum[i];
for (int i = l; i <= R[bel[l]]; i++) ans += w[i];
for (int i = L[bel[r]]; i <= r; i++) ans += w[i]; return ans;
}
} b1[mxk + 2][siz];
struct block2 { // O(sqrt)修 O(1)查
ull w[200010], b[200010 / blk + 5], pre[200010];
void upd(int p, int x) {
for (int i = p; i <= R[bel[p]]; i++) pre[i] += x - w[p];
for (int i = bel[p]; i <= tot; i++) b[i] += x - w[p]; w[p] = x;
}
int query(int r) {
return b[bel[r] - 1] + pre[r];
}
int query(int l, int r) {
if (l == 1) return query(r);
return query(r) - query(l - 1);
}
} b2[siz];
void upd(int p, int v) {
for (int k = 1; k <= mxk; k++) {
for (int i = 0; i < siz; i++) {
b1[k][i].upd(p, (ull)v * power(x[i], p % k));
}
}
for (int i = 0; i < siz; i++) b2[i].upd(p, (ull)v * power(x[i], p));
}
bool query(int l, int r, int k) {
ull sum = b1[1][0].query(l, r);
if (sum % k) return 0; sum /= k;
if (k <= mxk) {
for (int i = 0; i < siz; i++) {
if (b1[k][i].query(l, r) != sumx[i][k - 1] * sum) return 0;
} return 1;
} else {
for (int i = 0; i < siz; i++) {
ull ans = 0;
for (int b = l / k; b <= r / k; b++) {
int L = b * k, R = b * k + k - 1;
L = max(L, l); R = min(R, r);
if (L <= R) ans += b2[i].query(L, R) * invx[i][b * k];
}
if (ans != sumx[i][k - 1] * sum) return 0;
} return 1;
}
}
void main() {
n = uread(), m = uread(), q = uread();
for (int i = 1; i <= n; i++) a[i] = uread();
for (int i = 1; i <= m; i++) b[i] = uread();
for (int i = 0; i < siz; i++) {
powx[i][0] = sumx[i][0] = invx[i][0] = 1;
for (int k = 1; k <= 2e5; k++)
powx[i][k] = powx[i][k - 1] * x[i], sumx[i][k] = sumx[i][k - 1] + powx[i][k], invx[i][k] = inv(powx[i][k]);
}
st.init();
for (int i = 1; i <= n; i++) bel[i] = (i - 1) / blk + 1;
tot = bel[n]; for (int i = 1; i <= tot; i++) L[i] = (i - 1) * blk + 1, R[i] = i * blk; R[tot] = n;
for (int i = 1; i <= n; i++) upd(i, a[i]);
while (q--) {
char c = getchar();
while (c != 'U' && c != 'Q') c = getchar();
if (c == 'U') {
int p = uread(), v = uread(); upd(p, v);
} else {
int l = uread(), r = uread(), s = uread(), t = uread(), len = __gcd(st.query(s, t), r - l + 1);
puts(query(l, r, len) ? "Yes" : "No");
}
}
}
}
signed main() { return Loser::main(), 0; }
详细
Test #1:
score: 100
Accepted
time: 6ms
memory: 22872kb
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: 4ms
memory: 22664kb
input:
1 1 1 0 1 Q 1 1 1 1
output:
Yes
result:
ok "Yes"
Test #3:
score: 0
Accepted
time: 1106ms
memory: 32332kb
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: 175ms
memory: 40168kb
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: 164ms
memory: 31624kb
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
Memory Limit Exceeded
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...