QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#370095 | #7782. Ursa Minor | 1234huang | WA | 2123ms | 27972kb | C++20 | 5.7kb | 2024-03-28 21:52:41 | 2024-03-28 21:52:42 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
using namespace std;
inline int read() {
int x = 0, f = 0; char ch = getchar();
while (ch < '0' or ch > '9') f |= (ch == '-'), ch = getchar();
while (ch >= '0' and ch <= '9') x = (x << 1) + (x << 3) + (ch ^ 48), ch = getchar();
return f ? -x : x;
}
int __stk[128], __top;
inline void write(int x) {
if(x < 0) putchar('-'), x = -x;
do { __stk[++__top] = x % 10, x /= 10; } while (x);
while (__top) putchar(__stk[__top--] + '0');
}
const int mod = 998244353;
void Min(int &x, int y) { y < x and (x = y); }
void Max(int &x, int y) { y > x and (x = y); }
void inc(int &x, int y) { (x += y) >= mod and (x -= mod); }
void mul(int &x, int y) { x = 1ll * x * y % mod; }
int q_pow(int x, int k) { int res = 1; for (; k; k >>= 1, mul(x, x)) if (k & 1) mul(res, x); return res; }
bool stmer;
const int N = 2e5 + 10, M = 500, BL = 447;
const int mod1 = 1e9 + 19, mod2 = 1e9 + 789;
int n, m, q;
struct Barrate {
__uint128_t m, t;
void init(int _m) { m = _m, t = ((__uint128_t) 1 << 64) / m; }
int operator () (ll x) const { return x - m * (x * t >> 64); }
} pmod1, pmod2;
struct ull {
int a, b;
ull operator + (int &x) { return { pmod1(a + x), pmod2(b + x) }; }
ull operator + (ull &x) { return { pmod1(a + x.a), pmod2(b + x.b) }; }
ull operator + (const ull &x) { return { pmod1(a + x.a), pmod2(b + x.b) }; }
ull operator += (ull &x) { return *this = *this + x; }
ull operator - (int &x) { return { pmod1(a - x + mod1), pmod2(b - x + mod2) }; }
ull operator - (ull &x) { return { pmod1(a - x.a + mod1), pmod2(b - x.b + mod2) }; }
ull operator * (const int &x) { return { pmod1(1ll * a * x), pmod2(1ll * b * x) }; }
ull operator * (int &x) { return { pmod1(1ll * a * x), pmod2(1ll * b * x) }; }
ull operator * (ull &x) { return { pmod1(1ll * a * x.a), pmod2(1ll * b * x.b) }; }
ull operator *= (ull &x) { return *this = *this * x; }
ull operator = (const int &x) { return *this = { x, x }; }
bool operator == (const ull &x) { return a == x.a and b == x.b; }
} emp;
ull base = { 131, 127 };
ull a[N], b[N], s[N];
namespace ST {
const int LG = 20;
int lg[N], st[LG][N];
void init() {
for (int i = 2; i <= m; i++) lg[i] = lg[i >> 1] + 1;
for (int i = 1; i < LG; i++) for (int j = 1; j + (1 << i) - 1 <= m; j++)
st[i][j] = __gcd(st[i - 1][j], st[i - 1][j + (1 << i - 1)]);
}
int ask(int l, int r) {
int h = lg[r - l + 1];
return __gcd(st[h][l], st[h][r - (1 << h) + 1]);
}
}
namespace Block1 {
ull S1[M][M], S2[M][M];
void init() {
for (int bl = 1; bl < BL; bl++) for (int i = 1; i <= n; i++) {
int id = i / BL; ull w = a[i] * b[i % bl];
S1[bl][id] += w, S2[bl][id] += (i % bl ? emp : w);
}
}
void modify(int p, ull v) {
for (int bl = 1; bl < BL; bl++) {
int id = p / BL; ull w = (v - a[p]) * b[p % bl];
S1[bl][id] += w, S2[bl][id] += (p % bl ? emp : w);
}
}
bool query(int l, int r, int k) {
int L = l / BL + 1, R = r / BL - 1; ull res = { 0, 0 }, s0 = { 0, 0 }, w;
for (int i = L; i <= R; i++) res += S1[k][i], s0 += S2[k][i];
while (l <= min(L * BL - 1 , r)) res += (w = a[l] * b[l % k]), s0 += (l++ % k ? emp : w);
while (r >= max(R * BL + BL, l)) res += (w = a[r] * b[r % k]), s0 += (r-- % k ? emp : w);
return res == s0 * s[k - 1];
}
}
namespace Block2 {
ull S1[M][M], S2[M];
void init() {
for (int i = 1; i <= n; i++) {
int id = i / BL;
S2[id] += (S1[id][i % BL] = a[i] * b[i]);
}
for (int i = 0; i <= n / BL; i++) {
for (int j = 1; j < BL; j++) S1[i][j] += S1[i][j - 1];
if (i) S2[i] += S2[i - 1];
}
}
void modify(int p, ull v) {
int id = p / BL; ull w = (v - a[p]) * b[p];
for (int i = p % BL; i < BL; i++) S1[id][i] += w;
for (int i = id; i <= n / BL; i++) S2[i] += w;
}
ull ask(int l, int r) {
ull res = (r < BL ? emp : S2[r / BL - 1]) - (l < BL ? emp : S2[l / BL - 1]);
return res + S1[r / BL][r % BL] - (l % BL ? S1[l / BL][l % BL - 1] : emp);
}
bool query(int l, int r, int k) {
ull res = { 0, 0 }, s0 = { 0, 0 };
while (l <= r) res = res * b[k] + ask(l, l + k - 1), s0 += a[l], l += k;
return res == s0 * s[k - 1] * b[l - k];
}
}
bool edmer;
signed main() {
// freopen("gym104869F.in", "r", stdin);
// freopen("gym104869F.out", "w", stdout);
cerr << "[Memory] " << (&stmer - &edmer) / 1024 / 1024 << " MB\n";
pmod1.init(mod1), pmod2.init(mod2);
n = read(), m = read(), q = read();
for (int i = 1; i <= n; i++) a[i] = read();
for (int i = 1; i <= m; i++) ST :: st[0][i] = read();
ST :: init(), b[0] = s[0] = 1;
for (int i = 1; i < N; i++) s[i] = s[i - 1] + (b[i] = b[i - 1] * base);
Block1 :: init(), Block2 :: init();
while (q--) {
char ch = getchar();
while (ch != 'U' and ch != 'Q') ch = getchar();
if (ch == 'U') {
int p = read(); ull v = { read(), 0 }; v.b = v.a;
Block1 :: modify(p, v), Block2 :: modify(p, v), a[p] = v;
}
else {
int l = read(), r = read(), s = read(), t = read();
int k = __gcd(r - l + 1, ST :: ask(s, t));
if (k < BL) puts(Block1 :: query(l, r, k) ? "Yes" : "No");
else puts(Block2 :: query(l, r, k) ? "Yes" : "No");
}
}
cerr << "[Runtime] " << (double) clock() / CLOCKS_PER_SEC << " seconds\n";
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 11968kb
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: 10788kb
input:
1 1 1 0 1 Q 1 1 1 1
output:
Yes
result:
ok "Yes"
Test #3:
score: 0
Accepted
time: 626ms
memory: 12004kb
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: 670ms
memory: 25380kb
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: 670ms
memory: 20776kb
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: 2123ms
memory: 27972kb
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 40432nd words differ - expected: 'Yes', found: 'No'