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 |
---|---|---|---|---|---|---|---|---|---|
#591763 | #9302. Caesar Cipher | lonelywolf | TL | 6627ms | 59912kb | C++20 | 5.6kb | 2024-09-26 17:39:40 | 2024-09-26 17:39:40 |
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)
- [2024-09-26 17:39:40]
- 提交
answer
#include <bits/stdc++.h>
using namespace std;
constexpr int N = 500000;
constexpr int B = 516;
constexpr array<int, 2> mod = {998244353, 1000000007};
using ll = long long;
int p[N + 10][2];
int s[N + 10][2];
void init() {
p[0][0] = p[0][1] = 1;
s[1][0] = s[1][1] = 1;
for (int t = 0; t < 2; t++) {
for (int i = 1; i <= N; i++) {
p[i][t] = 1LL * p[i - 1][t] * B % mod[t];
s[i + 1][t] = (p[i][t] + s[i][t]) % mod[t];
}
}
}
template<class Info, class Tag>
struct LazySegmentTree {
int n;
vector<Info> info;
vector<Tag> tag;
LazySegmentTree() : n(0) {}
LazySegmentTree(int n_, Info v_ = Info()) {
init(n_, v_);
}
template<class T>
LazySegmentTree(vector<T> init_) {
init(init_);
}
void init(int n_, Info v_ = Info()) {
init(vector(n_ + 1, v_));
}
template<class T>
void init(vector<T> init_) {
n = init_.size() - 1;
info.assign(4 << __lg(n) + 1, Info());
tag.assign(4 << __lg(n) + 1, Tag());
function<void(int, int, int)> build = [&](int p, int l, int r) {
if (l == r) {
info[p] = init_[l];
return;
}
int m = (l + r) / 2;
build(2 * p, l, m);
build(2 * p + 1, m + 1, r);
pull(p);
};
build(1, 1, n);
}
void pull(int p) {
info[p] = info[2 * p] + info[2 * p + 1];
}
void apply(int p, const Tag &v) {
info[p].apply(v);
tag[p].apply(v);
}
void push(int p) {
apply(2 * p, tag[p]);
apply(2 * p + 1, tag[p]);
tag[p] = Tag();
}
void modify(int p, int l, int r, int x, const Info &v) {
if (l == r) {
info[p] = v;
return;
}
int m = (l + r) / 2;
push(p);
if (x <= m) {
modify(2 * p, l, m, x, v);
} else {
modify(2 * p + 1, m + 1, r, x, v);
}
pull(p);
}
void modify(int p, const Info &v) {
modify(1, 1, n, p, v);
}
Info rangeQuery(int p, int l, int r, int x, int y) {
if (l > y || r < x) {
return Info();
}
if (l >= x && r <= y) {
return info[p];
}
int m = (l + r) / 2;
push(p);
return rangeQuery(2 * p, l, m, x, y) + rangeQuery(2 * p + 1, m + 1, r, x, y);
}
Info rangeQuery(int l, int r) {
return rangeQuery(1, 1, n, l, r);
}
void rangeApply(int p, int l, int r, int x, int y, const Tag &v) {
if (l > y || r < x) {
return;
}
if (l >= x && r <= y) {
apply(p, v);
return;
}
int m = (l + r) / 2;
push(p);
rangeApply(2 * p, l, m, x, y, v);
rangeApply(2 * p + 1, m + 1, r, x, y, v);
pull(p);
}
void rangeApply(int l, int r, const Tag &v) {
return rangeApply(1, 1, n, l, r, v);
}
template<class F>
int findFirst(int p, int l, int r, int x, int y, F pred) {
if (l > y || r < x || !pred(info[p])) {
return -1;
}
if (l == r) {
return l;
}
int m = (l + r) / 2;
push(p);
int res = findFirst(2 * p, l, m, x, y, pred);
if (res == -1) {
res = findFirst(2 * p + 1, m + 1, r, x, y, pred);
}
return res;
}
template<class F>
int findFirst(int l, int r, F pred) {
return findFirst(1, 1, n, l, r, pred);
}
template<class F>
int findLast(int p, int l, int r, int x, int y, F pred) {
if (l > y || r < x || !pred(info[p])) {
return -1;
}
if (l == r) {
return l;
}
int m = (l + r) / 2;
push(p);
int res = findLast(2 * p + 1, m + 1, r, x, y, pred);
if (res == -1) {
res = findLast(2 * p, l, m, x, y, pred);
}
return res;
}
template<class F>
int findLast(int l, int r, F pred) {
return findLast(1, 1, n, l, r, pred);
}
};
struct Tag {
int d = 0;
void apply(Tag t) {
d += t.d;
}
};
struct Info {
array<int, 2> val {0, 0};
int len = 0;
int mx = 0;
void apply(Tag t) {
mx += t.d;
for (int i = 0; i < 2; i++) {
val[i] = (1LL * t.d * s[len][i] % mod[i] + val[i]) % mod[i];
}
}
};
Info operator+(Info a, Info b) {
Info ret;
ret.len = a.len + b.len;
ret.mx = max(a.mx, b.mx);
for (int t = 0; t < 2; t++) {
ret.val[t] = (1LL * a.val[t] * p[b.len][t] % mod[t] + b.val[t]) % mod[t];
}
return ret;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
init();
int n, q;
cin >> n >> q;
LazySegmentTree<Info, Tag> tr(n);
for (int i = 1; i <= n; i++) {
int x;
cin >> x;
tr.modify(i, {{x % mod[0], x % mod[1]}, 1, x});
}
while (q--) {
int o;
cin >> o;
if (o == 1) {
int l, r;
cin >> l >> r;
tr.rangeApply(l, r, {1});
if (tr.rangeQuery(1, n).mx == 65536) {
for (int i = 1; i <= n; i++) {
auto v = tr.rangeQuery(i, i);
if (v.mx == 65536) {
tr.modify(i, {{0, 0}, 1, 0});
}
}
}
} else {
int x, y, L;
cin >> x >> y >> L;
auto v1 = tr.rangeQuery(x, min(n, x + L - 1));
auto v2 = tr.rangeQuery(y, min(n, y + L - 1));
if (v1.val == v2.val && v1.len == v2.len) {
cout << "yes\n";
} else {
cout << "no\n";
}
}
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 7ms
memory: 11368kb
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: 7ms
memory: 11628kb
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: 8ms
memory: 11416kb
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: 237ms
memory: 22680kb
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: 1633ms
memory: 59888kb
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: 1403ms
memory: 59836kb
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: 1395ms
memory: 59740kb
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: 6627ms
memory: 59912kb
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: -100
Time Limit Exceeded
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...