QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#340770 | #7782. Ursa Minor | goodier | WA | 1067ms | 40584kb | C++17 | 6.0kb | 2024-02-29 11:51:55 | 2024-02-29 11:51:55 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 2e5 + 10, B = 450, T = 450;
const ll MOD = 998244353, base = 34261314;
int f[N][19], len[N], a[N], b[N], ba[N], n, m, q, ans[N], L[N], R[N], pos[N], t;
ll pw[N], spw[N], inv[N], s[N][2][2];
ll power(ll a, ll b)
{
ll c = 1;
while(b)
{
if(b & 1) c = c * a % MOD;
a = a * a % MOD;
b >>= 1;
}
return c;
}
struct Op{
int op, l, r, x, y, k;
}qr[N];
int read()
{
int x = 0, t = 1; char ch = getchar();
while(ch < '0' || ch > '9')
{
if(ch == '-') t = -1;
ch = getchar();
}
while(ch >= '0' && ch <= '9')
{
x = x * 10 + ch - '0';
ch = getchar();
}
return x * t;
}
void write1()
{
putchar('Y'), putchar('e'), putchar('s'), putchar('\n');
}
void write0()
{
putchar('N'), putchar('o'), putchar('\n');
}
int gcd(int a, int b)
{
while(b)
{
int c = a;
a = b, b = c % b;
}
return a;
}
int query(int l, int r)
{
int t = len[r - l + 1];
return gcd(f[l][t], f[r - (1 << t) + 1][t]);
}
void init()
{
for(int i = 2; i <= m; i++) len[i] = len[i >> 1] + 1;
for(int i = 1; i <= m; i++) f[i][0] = b[i];
for(int j = 1; j <= len[m]; j++)
{
for(int i = 1; i + (1 << j) - 1 <= m; i++)
{
f[i][j] = gcd(f[i][j - 1], f[i + (1 << (j - 1))][j - 1]);
}
}
pw[0] = 1; for(int i = 1; i <= n; i++) pw[i] = pw[i - 1] * (ll)base % MOD; spw[0] = 1; for(int i = 1; i <= n; i++) spw[i] = (spw[i - 1] + pw[i]) % MOD;
for(int i = 0; i <= n; i++) inv[i] = power(pw[i], MOD - 2);
t = n / B;
for(int i = 1; i <= t; i++)
{
L[i] = R[i - 1] + 1, R[i] = i * B;
for(int j = L[i]; j <= R[i]; j++) pos[j] = i;
}
if(R[t] < n)
{
t++;
L[t] = R[t - 1] + 1, R[t] = n;
for(int j = L[t]; j <= R[t]; j++) pos[j] = t;
}
}
void add1(int x, ll y, int c)
{
if(y < 0) y += MOD;
s[x][0][c] += y, s[pos[x]][1][c] += y;
if(s[x][0][c] >= MOD) s[x][0][c] -= MOD;
if(s[pos[x]][1][c] >= MOD) s[pos[x]][1][c] -= MOD;
}
void add2(int x, ll y, int c)
{
for(int i = x; i <= R[pos[x]]; i++)
{
s[i][0][c] += y;
if(s[i][0][c] >= MOD) s[i][1][c] -= MOD;
}
for(int i = pos[x]; i <= t; i++)
{
s[i][1][c] += y;
if(s[i][1][c] >= MOD) s[i][1][c] -= MOD;
}
}
ll ask2(int x, int c)
{
if(x == 0) return 0;
ll res = s[x][0][c] + s[pos[x] - 1][1][c];
if(res >= MOD) res -= MOD;
return res;
}
ll ask1(int x, int c)
{
if(x == 0) return 0;
ll res = 0;
for(int i = 1; i < pos[x]; i++)
{
res += s[i][1][c];
if(res >= MOD) res -= MOD;
}
for(int i = L[pos[x]]; i <= x; i++)
{
res += s[i][0][c];
if(res >= MOD) res -= MOD;
}
return res;
}
ll query1(int l, int r, int c)
{
return (ask1(r, c) - ask1(l - 1, c) + MOD) % MOD;
}
ll query2(int l, int r, int c)
{
ll res = ask2(r, c) - ask2(l - 1, c) + MOD;
if(res >= MOD) res -= MOD;
return res;
}
void solve1()
{
for(int k = 1; k <= T; k++)
{
for(int i = 1; i <= n; i++)
{
a[i] = ba[i]; s[i][0][0] = s[i][0][1] = s[i][1][0] = s[i][1][1] = 0;
}
for(int i = 1; i <= n; i++)
{
if(i % k == 0) add1(i, a[i], 0);
add1(i, (ll)a[i] * pw[i % k] % MOD, 1);
}
for(int i = 1; i <= q; i++)
{
if(qr[i].op == 1)
{
int x = qr[i].x, dt = qr[i].y - a[x];
if(x % k == 0) add1(x, dt, 0);
add1(x, (ll)dt * pw[x % k] % MOD, 1);
a[x] += dt;
}
else if(qr[i].k == k)
{
int l = qr[i].l, r = qr[i].r;
ans[i] = (query1(l, r, 0) * spw[k - 1] % MOD) == query1(l, r, 1);
}
}
}
}
void solve2()
{
for(int i = 1; i <= n; i++)
{
a[i] = ba[i]; s[i][0][0] = s[i][0][1] = s[i][1][0] = s[i][1][1] = 0;
}
for(int i = 1; i <= n; i++)
{
add2(i, (ll)a[i] * pw[i] % MOD, 0);
}
for(int i = 1; i <= q; i++)
{
if(qr[i].op == 1)
{
int x = qr[i].x, dt = qr[i].y - a[x];
add2(x, (ll)dt * pw[x], 0);
a[x] += dt;
}
else if(qr[i].k > T)
{
int k = qr[i].k, l = qr[i].l, r = qr[i].r;
ll res = 0;
for(int j = 1; j <= n; j += k)
{
int ll = j, rr = min(j + k - 1, n);
int LL = max(l, ll), RR = min(r, rr);
if(LL <= RR)
{
res += query2(LL, RR, 0) * inv[j] % MOD;
if(res >= MOD) res -= MOD;
}
}
ll s0 = 0;
for(int j = k; j <= n; j += k)
{
if(l <= j && j <= r)
{
s0 += a[j];
if(s0 >= MOD) s0 -= MOD;
}
}
ans[i] = (s0 * spw[k - 1] % MOD) == res;
}
}
}
int main()
{
//freopen("data.in", "r", stdin);
n = read(), m = read(), q = read();
for(int i = 1; i <= n; i++) ba[i] = a[i] = read();
for(int i = 1; i <= m; i++) b[i] = read();
init();
for(int i = 1; i <= q; i++)
{
char str[2]; scanf("%s", str);
if(str[0] == 'Q')
{
int l = read(), r = read(), x = read(), y = read();
qr[i] = Op({0, l, r, x, y, gcd(r - l + 1, query(x, y))});
}
else
{
int x = read(), y = read();
qr[i] = Op({1, 0, 0, x, y});
}
}
solve1();
solve2();
for(int i = 1; i <= q; i++)
{
if(qr[i].op == 0)
{
if(ans[i]) write1();
else write0();
}
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 20140kb
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: 18220kb
input:
1 1 1 0 1 Q 1 1 1 1
output:
Yes
result:
ok "Yes"
Test #3:
score: 0
Accepted
time: 650ms
memory: 23304kb
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: 526ms
memory: 34724kb
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: 504ms
memory: 31716kb
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: 1067ms
memory: 40584kb
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 1043rd words differ - expected: 'Yes', found: 'No'