QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#571631 | #9302. Caesar Cipher | retired_midlights | WA | 649ms | 23340kb | C++14 | 3.1kb | 2024-09-18 01:47:52 | 2024-09-18 01:47:52 |
Judging History
你现在查看的是最新测评结果
- [2024-11-04 17:10:09]
- hack成功,自动添加数据
- (/hack/1110)
- [2024-10-21 09:47:48]
- hack成功,自动添加数据
- (/hack/1022)
- [2024-10-21 09:39:50]
- hack成功,自动添加数据
- (/hack/1021)
- [2024-10-21 09:31:34]
- hack成功,自动添加数据
- (/hack/1020)
- [2024-10-03 10:14:59]
- hack成功,自动添加数据
- (/hack/928)
- [2024-09-28 07:51:27]
- hack成功,自动添加数据
- (/hack/922)
- [2024-09-28 07:42:39]
- hack成功,自动添加数据
- (/hack/921)
- [2024-09-26 18:56:14]
- hack成功,自动添加数据
- (/hack/911)
- [2024-09-23 07:21:34]
- hack成功,自动添加数据
- (/hack/885)
- [2024-09-20 15:14:45]
- hack成功,自动添加数据
- (/hack/855)
- [2024-09-20 14:21:31]
- hack成功,自动添加数据
- (/hack/854)
- [2024-09-20 14:19:40]
- hack成功,自动添加数据
- (/hack/853)
- [2024-09-20 14:16:01]
- hack成功,自动添加数据
- (/hack/851)
- [2024-09-20 14:12:05]
- hack成功,自动添加数据
- (/hack/850)
- [2024-09-20 14:10:12]
- hack成功,自动添加数据
- (/hack/849)
- [2024-09-18 01:47:52]
- 提交
answer
#include <bits/stdc++.h>
#define rep(i, a, b) for(int i = (int)a; i <= (int)b; i ++)
#define ll long long
#define ls p << 1
#define rs p << 1 | 1
using namespace std;
const int maxn = 500010, base = 4, mod = 1e9 + 7;
struct Info {
int tag, mx, hsh;
} t[maxn << 2];
int n, q, a[maxn], power[maxn], sum[maxn];
void push_up(int p, int l, int r) {
t[p].mx = max(t[ls].mx, t[rs].mx);
int mid = (l + r) >> 1;
t[p].hsh = (1ll * t[ls].hsh * power[r - mid] % mod + t[rs].hsh) % mod;
}
void build(int p, int l, int r) {
if(l == r) {
t[p].mx = t[p].hsh = a[l];
return;
}
int mid = (l + r) >> 1;
build(ls, l, mid), build(rs, mid + 1, r);
push_up(p, l, r);
}
void push_down(int p, int l, int r) {
t[ls].tag += t[p].tag, t[rs].tag += t[p].tag;
t[ls].mx += t[p].mx, t[rs].mx += t[p].mx;
int mid = (l + r) >> 1;
t[ls].hsh = (t[ls].hsh + 1ll * sum[mid - l] * t[p].tag % mod) % mod;
t[rs].hsh = (t[rs].hsh + 1ll * sum[r - mid] * t[p].tag % mod) % mod;
t[p].tag = 0;
}
void modify_force(int p, int l, int r) {
// cout << p << " " << l << " " << r << endl;
if(l == r) {
t[p].mx %= 65536;
t[p].hsh = t[p].mx;
return;
}
if(t[p].tag) push_down(p, l, r);
int mid = (l + r) >> 1;
if(t[ls].mx >= 65536) modify_force(ls, l, mid);
if(t[rs].mx >= 65536) modify_force(rs, mid + 1, r);
push_up(p, l, r);
}
void modify(int p, int l, int r, int ql, int qr) {
if(ql <= l && r <= qr) {
t[p].tag ++;
t[p].mx ++;
t[p].hsh = (t[p].hsh + sum[r - l]) % mod;
if(t[p].mx >= 65536) {
modify_force(p, l, r);
}
return;
}
if(t[p].tag) push_down(p, l, r);
int mid = (l + r) >> 1;
if(ql <= mid) modify(ls, l, mid, ql, qr);
if(qr > mid) modify(rs, mid + 1, r, ql, qr);
push_up(p, l, r);
}
int query(int p, int l, int r, int ql, int qr) {
if(ql <= l && r <= qr) return t[p].hsh;
int mid = (l + r) >> 1;
if(t[p].tag) push_down(p, l, r);
int res1 = 0, res2 = 0;
if(ql <= mid) res1 = query(ls, l, mid, ql, qr);
if(qr > mid) res2 = query(rs, mid + 1, r, ql, qr);
if(qr > mid) return (1ll * res1 * power[qr - mid] % mod + res2) % mod;
else return res1;
}
void solve() {
cin >> n >> q;
rep(i, 1, n) cin >> a[i];
power[0] = 1;
rep(i, 1, n) power[i] = 1ll * power[i - 1] * base % mod;
sum[0] = 1;
rep(i, 1, n) sum[i] = (sum[i - 1] + power[i]) % mod;
build(1, 1, n);
while(q --) {
int op, x, y, k;
cin >> op >> x >> y;
if(op == 1) modify(1, 1, n, x, y);
else {
cin >> k;
// cout << query(1, 1, n, x, x + k - 1) << endl;
// cout << query(1, 1, n, y, y + k - 1) << "!" << endl;
cout << (query(1, 1, n, x, x + k - 1) == query(1, 1, n, y, y + k - 1) ? "yes\n" : "no\n");
}
}
}
int main() {
ios :: sync_with_stdio(false);
cin.tie(0);
int T = 1;
while(T --) solve();
return 0;
}
/*
3 3
0 65535 65535
2 1 2 2
1 2 3
2 1 2 2
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 9852kb
input:
5 6 1 2 1 2 1 2 1 2 2 2 1 3 3 1 1 1 1 3 5 2 1 2 4 2 1 2 2
output:
no yes no yes
result:
ok 4 token(s): yes count is 2, no count is 2
Test #2:
score: 0
Accepted
time: 2ms
memory: 9724kb
input:
3 3 0 65535 65535 2 1 2 2 1 2 3 2 1 2 2
output:
no yes
result:
ok 2 token(s): yes count is 1, no count is 1
Test #3:
score: 0
Accepted
time: 2ms
memory: 9740kb
input:
1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
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 1000 token(s): yes count is 1000, no count is 0
Test #4:
score: 0
Accepted
time: 86ms
memory: 12292kb
input:
100000 100000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
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 100000 token(s): yes count is 100000, no count is 0
Test #5:
score: 0
Accepted
time: 649ms
memory: 22352kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
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 500000 token(s): yes count is 500000, no count is 0
Test #6:
score: 0
Accepted
time: 571ms
memory: 23340kb
input:
500000 500000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
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 500000 token(s): yes count is 500000, no count is 0
Test #7:
score: -100
Wrong Answer
time: 569ms
memory: 23104kb
input:
500000 500000 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 6553...
output:
no no no 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 no no no no no no no no no no no no no no no no no no no no no 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 no no no no no no no no no no no no no no no n...
result:
wrong answer expected YES, found NO [1st token]