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 |
---|---|---|---|---|---|---|---|---|---|
#583720 | #9302. Caesar Cipher | retired_midlights | WA | 655ms | 23796kb | C++14 | 3.7kb | 2024-09-22 21:33:11 | 2024-09-22 21:33:12 |
Judging History
你现在查看的是测评时间为 2024-09-22 21:33:12 的历史记录
- [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)
- [2024-09-22 21:33:11]
- 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;
int base = 19260817, 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) {
t[p].tag = 0;
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].tag, t[rs].mx += t[p].tag;
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 + 1)] * 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);
// cout << p << " " << l << " " << r << " " << res1 << " " << res2 << endl;
if(qr > mid) return (1ll * res1 * power[min(r, qr) - mid] % mod + res2) % mod;
else return res1;
}
void solve() {
int primes[] = { 100511, 100517, 100591, 100523 };
srand((unsigned int) time(NULL));
base = primes[rand() % 4];
int mods[] = { 1000000007, 1000000009, 1000000033, 1000000123 };
mod = mods[rand() % 4];
cin >> n >> q;
rep(i, 1, n) {
cin >> a[i];
assert(a[i] >= 0 && a[i] <= 65535);
}
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;
assert(op == 1 || op == 2);
assert(x <= y && x >= 1 && y <= n);
if(op == 1) modify(1, 1, n, x, y);
else {
cin >> k;
assert(max(x, y) + k - 1 <= n);
// 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() {
// freopen("G.in", "r", stdin);
// freopen("G.out", "w", stdout);
ios :: sync_with_stdio(false);
cin.tie(0);
int T = 1;
// cin >> T;
while(T --) solve();
return 0;
}
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 9916kb
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: 1ms
memory: 7856kb
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: 0ms
memory: 9920kb
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: 96ms
memory: 12444kb
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: 655ms
memory: 22484kb
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: 578ms
memory: 22636kb
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: 0
Accepted
time: 589ms
memory: 22836kb
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:
yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes no yes ...
result:
ok 500000 token(s): yes count is 449947, no count is 50053
Test #8:
score: 0
Accepted
time: 596ms
memory: 22988kb
input:
500000 500000 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 4999...
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 no yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes no yes yes yes yes yes yes yes yes yes no yes no yes y...
result:
ok 251941 token(s): yes count is 226844, no count is 25097
Test #9:
score: 0
Accepted
time: 586ms
memory: 21840kb
input:
500000 500000 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 ...
output:
no no no no no no no no yes no no yes no no no no no no no no no no yes yes no no yes no no yes no no no yes no no no no no no no yes no no no no no no no no no no yes no no no no no no yes no no yes no no no no no no no no no yes no no no no no no no no no no no yes yes no no no yes no no no no yes...
result:
ok 251981 token(s): yes count is 32353, no count is 219628
Test #10:
score: 0
Accepted
time: 584ms
memory: 22088kb
input:
500000 500000 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 6553...
output:
yes yes yes yes no no no yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes no yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no yes yes yes yes yes yes no yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes yes no ...
result:
ok 251952 token(s): yes count is 227079, no count is 24873
Test #11:
score: 0
Accepted
time: 592ms
memory: 23796kb
input:
500000 500000 2 1 2 3 1 2 3 2 3 3 3 2 3 2 2 3 3 1 1 2 1 1 3 1 2 2 1 2 1 2 3 1 1 3 2 2 3 3 3 1 3 1 2 3 3 3 3 1 1 3 1 1 3 2 2 3 1 3 1 2 1 1 1 3 2 1 1 2 3 1 3 3 1 3 2 2 3 3 2 3 2 1 3 2 3 3 2 3 1 1 2 1 3 3 3 2 1 2 1 1 1 1 3 1 3 1 1 3 2 1 3 2 1 1 3 3 1 3 1 3 1 2 2 1 1 1 2 2 1 1 1 3 3 1 2 3 3 2 1 3 3 1 2 ...
output:
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 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...
result:
ok 251970 token(s): yes count is 4568, no count is 247402
Test #12:
score: 0
Accepted
time: 19ms
memory: 22740kb
input:
282544 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1...
output:
no
result:
ok NO
Extra Test:
score: 0
Extra Test Passed