QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#583720#9302. Caesar Cipherretired_midlightsWA 655ms23796kbC++143.7kb2024-09-22 21:33:112024-09-22 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 07:21:42]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:WA
  • 用时:596ms
  • 内存:23300kb
  • [2024-09-23 07:21:34]
  • hack成功,自动添加数据
  • (/hack/885)
  • [2024-09-22 21:33:12]
  • 评测
  • 测评结果:100
  • 用时:655ms
  • 内存:23796kb
  • [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?

Details

Tip: Click on the bar to expand more detailed information

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