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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 |
---|---|---|---|---|---|---|---|---|---|
#369934 | #7782. Ursa Minor | 1234huang | RE | 108ms | 19080kb | C++20 | 4.3kb | 2024-03-28 19:39:34 | 2024-03-28 19:39:35 |
Judging History
answer
#include <bits/stdc++.h>
#define ull unsigned 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 ull base = 127;
int n, m, q;
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 << l) + 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, w = a[i] * b[i % bl];
S1[bl][id] += w, S2[bl][id] += (i % bl ? 0 : w);
}
}
void modify(int p, ull v) {
for (int bl = 1; bl < BL; bl++) {
int id = p / BL, w = (v - a[p]) * b[p % bl];
S1[bl][id] += w, S2[bl][id] += (p % bl ? 0 : w);
}
}
bool query(int l, int r, int k) {
int L = l / BL + 1, R = r / BL - 1; ull res = 0, s0 = 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 ? 0 : w);
while (r >= max(R * BL + BL, l)) res += (w = a[r] * b[r % k]), s0 += (r-- % k ? 0 : 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 * b[p] - a[p] * b[v];
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) {
return S2[r / BL - 1] - S2[l / BL - 1] + S1[r / BL][r % BL] - (l % BL ? S1[l / BL][l % BL - 1] : 0);
}
bool query(int l, int r, int k) {
ull res = 0, s0 = 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";
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--) {
if (getchar() == 'U') {
int p = read(), v = read();
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;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 12160kb
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: 14128kb
input:
1 1 1 0 1 Q 1 1 1 1
output:
Yes
result:
ok "Yes"
Test #3:
score: 0
Accepted
time: 108ms
memory: 19080kb
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: -100
Runtime Error
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 ...