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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#369943#7782. Ursa Minor1234huangRE 104ms21308kbC++204.3kb2024-03-28 19:48:032024-03-28 19:48:05

Judging History

你现在查看的是最新测评结果

  • [2024-03-28 19:48:05]
  • 评测
  • 测评结果:RE
  • 用时:104ms
  • 内存:21308kb
  • [2024-03-28 19:48:03]
  • 提交

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 << 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 ? 0 : 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 ? 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;
} 

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 11976kb

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: 12180kb

input:

1 1 1
0
1
Q 1 1 1 1

output:

Yes

result:

ok "Yes"

Test #3:

score: 0
Accepted
time: 104ms
memory: 21308kb

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 ...

output:


result: