QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#853609#9727. Barkley IIIucup-team6275#AC ✓1490ms84608kbC++234.7kb2025-01-11 17:49:582025-01-13 04:15:37

Judging History

你现在查看的是最新测评结果

  • [2025-01-13 04:15:37]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果：AC
  • 用时：1490ms
  • 内存：84608kb
查看
  • [2025-01-13 03:55:43]
  • hack成功，自动添加数据
  • (/hack/1447)
  • [2025-01-11 17:50:00]
  • 评测
  • 测评结果：100
  • 用时：1500ms
  • 内存：84588kb
查看
  • [2025-01-11 17:49:58]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;
using ull = unsigned long long;

#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define rep(i, n) for (int i = 0; i < (n); i += 1)
#define len(a) ((int)(a).size())

mt19937 rnd(234);
const ll inf = 1e18;

ull max_mask = -1;
ull one = 1;

struct node {
    bool list = false;
    ull mask1 = max_mask;
    ull mask2 = max_mask;

    node() {}
    node(ull x) : list(true), mask1(x), mask2(max_mask) {}

    void apply(ull x) {
        mask1 &= x;
        if (!list) {
            mask2 &= x;
        }
    }
};

node operator+(const node &a, const node &b) {
    node c;
    c.mask1 = (a.mask1 & b.mask1);
    c.mask2 = ((a.mask1 & b.mask2) | (b.mask1 & a.mask2));
    return c;
}

struct SGT {
    int n;
    vector<node> t;
    vector<ull> d;

    void apply(int v, ull x) {
        t[v].apply(x);
        d[v] &= x;
    }

    void push(int v) {
        apply(v + v, d[v]);
        apply(v + v + 1, d[v]);
        d[v] = max_mask;
    }

    void upd(int v) {
        t[v] = t[v + v] + t[v + v + 1];
    }

    void build(vector<ull> a) {
        n = 1;
        while (n < len(a)) {
            n *= 2;
        }
        t.assign(2 * n, node());
        d.assign(2 * n, max_mask);
        for (int i = 0; i < len(a); i += 1) {
            t[i + n] = node(a[i]);
        }
        for (int i = n - 1; i >= 1; i -= 1) {
            upd(i);
        }
    }

    void change(int v, int tl, int tr, int i, ull x) {
        if (tl == tr) {
            t[v] = node(x);
            return;
        }
        int tm = (tl + tr) / 2;
        push(v);
        if (i <= tm) {
            change(v + v, tl, tm, i, x);
        } else {
            change(v + v + 1, tm + 1, tr, i, x);
        }
        upd(v);
    }

    void change(int i, ull x) {
        change(1, 0, n - 1, i, x);
    }

    void change_seg(int v, int tl, int tr, int l, int r, ull x) {
        if (tr < l or r < tl) {
            return;
        }
        if (l <= tl and tr <= r) {
            apply(v, x);
            return;
        }
        push(v);
        int tm = (tl + tr) / 2;
        change_seg(v + v, tl, tm, l, r, x);
        change_seg(v + v + 1, tm + 1, tr, l, r, x);
        upd(v);
    }

    void change_seg(int l, int r, ull x) {
        change_seg(1, 0, n - 1, l, r, x);
    }

    node get_node(int v, int tl, int tr, int l, int r) {
        if (tr < l or r < tl) {
            return node();
        }
        if (l <= tl and tr <= r) {
            return t[v];
        }
        push(v);
        int tm = (tl + tr) / 2;
        auto node_l = get_node(v + v, tl, tm, l, r);
        auto node_r = get_node(v + v + 1, tm + 1, tr, l, r);
        return node_l + node_r;
    }

    node get_node(int l, int r) {
        return get_node(1, 0, n - 1, l, r);
    }

    ull get_val(int v, int tl, int tr, int l, int r, ull bit) {
        if (tr < l or r < tl) {
            return max_mask;
        }
        if (l <= tl and tr <= r and ((t[v].mask1 >> bit) & 1)) {
            return t[v].mask1;
        }
        if (tl == tr) {
            return max_mask;
        }
        push(v);
        int tm = (tl + tr) / 2;
        auto val_l = get_val(v + v, tl, tm, l, r, bit);
        auto val_r = get_val(v + v + 1, tm + 1, tr, l, r, bit);
        return (val_l & val_r);
    }

    ull get_val(int l, int r, ull bit) {
        return get_val(1, 0, n - 1, l, r, bit);
    }

    ull get(int l, int r) {
        node nd = get_node(l, r);
        if (nd.mask1 == nd.mask2) {
            return nd.mask1;
        }
        ull bit = 63;
        while (bit >= 0 and ((nd.mask1 >> bit) & 1) == ((nd.mask2 >> bit) & 1)) {
            --bit;
        }
        return get_val(l, r, bit);
    }
};

int32_t main() {
    if (1) {
        ios::sync_with_stdio(0);
        cin.tie(0);
        cout.tie(0);
    }
    int n, q;
    cin >> n >> q;
    vector<ull> a(n);
    rep(i, n) {
        cin >> a[i];
    }
    SGT sgt;
    sgt.build(a);
    rep(itr, q) {
        int op;
        cin >> op;
        if (op == 1) {
            int l, r;
            ull x;
            cin >> l >> r >> x;
            --l;
            --r;
            sgt.change_seg(l, r, x);
        } else if (op == 2) {
            int i;
            ull x;
            cin >> i >> x;
            --i;
            sgt.change(i, x);
        } else if (op == 3) {
            int l, r;
            cin >> l >> r;
            --l;
            --r;
            ull ans = sgt.get(l, r);
            cout << ans << "\n";
        } else {
            assert(0);
        }
    }
    return 0;
}
Source code, Language: C++23

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: 0ms
memory: 3628kb

input:

5 9
7 7 7 6 7
3 1 5
2 1 3
3 1 5
3 1 3
1 1 2 3
3 1 3
2 2 8
3 1 3
3 1 2

output:

7
6
7
3
3
8

result:

ok 6 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

10 10
6760061359215711796 1568091718842717482 1568091718842717482 1568091718842717482 5232472783634052627 8795942500783873690 1568091718842717482 1568091718842717482 1568091718842717482 1568091718842717482
1 3 5 7587422031989082829
3 6 10
1 7 8 5197616143400216932
2 4 2518604563805514908
2 2 4533959...

output:

1568091718842717482
35184908959744
176025477579040
8795942500783873690

result:

ok 4 lines

Test #3:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

100 100
4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 625967318191814868 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072...

output:

576531121047601152
1
576460752303423488
4263579105072360993
1306043896232411137
4263579105072360993
576531121047601152
633397148123136
0
1153488865559840256
1152922054496880128
1730020640668059136
3533641810948498945
67108864
1730020640668059136
0
633397148123136
1729382296723653632
0
17300206406680...

result:

ok 78 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 3728kb

input:

1000 1000
3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3639580211161047627 3368486440884437410 3368486440884437410 3368486440...

output:

3368486440884437410
3368486440884437410
3368486440884437410
2251799981457408
0
0
3368486440884437410
0
3326828075601101216
592509842556584322
0
0
0
0
0
0
37154696925806592
0
0
0
3368486440884437410
0
0
3368486440884437410
0
578998425140330496
0
0
134217728
0
3368486440884437410
2306405959167115264
0...

result:

ok 732 lines

Test #5:

score: 0
Accepted
time: 63ms
memory: 13060kb

input:

100000 100000
4364025563773184234 7745126251050571359 5111681002836044963 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7222555899134537718 7745126251050571359 686495...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
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0
0
0
...

result:

ok 75105 lines

Test #6:

score: 0
Accepted
time: 1119ms
memory: 84432kb

input:

1000000 1000000
5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
0...

result:

ok 749866 lines

Test #7:

score: 0
Accepted
time: 971ms
memory: 84380kb

input:

1000000 1000000
6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 815888006180307319 6478641409915854014 6478641409915854014 37784...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
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0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 749822 lines

Test #8:

score: 0
Accepted
time: 981ms
memory: 84444kb

input:

1000000 1000000
8129239286682760854 3981028880940170401 2535635990161413927 8316479514668652599 5147316903112543089 4630570098268037408 8505388156841465368 2203883581249948495 581610100009626881 5079268521394939 1476469952815397946 4914699404295060276 4440084747042452220 2702894635900623841 90540586...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
...

result:

ok 749812 lines

Test #9:

score: 0
Accepted
time: 980ms
memory: 84360kb

input:

1000000 1000000
7320373167365396487 7320373167365396487 937526916087788458 7320373167365396487 7320373167365396487 7320373167365396487 6758767667984378025 7320373167365396487 7320373167365396487 7320373167365396487 5687396935769483606 1467370155631201061 3556475128226340387 2212274051825085385 77978...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
0
0
0
...

result:

ok 748638 lines

Test #10:

score: 0
Accepted
time: 0ms
memory: 3668kb

input:

2 2
3937866409909043622 2873041425983999763
2 2 3645842096674595914
2 1 5018240021376355677

output:

result:

ok 0 lines

Test #11:

score: 0
Accepted
time: 967ms
memory: 84328kb

input:

1000000 1000000
4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900...

output:

4900813446099088166
4899930503817200418
4900813446099088166
4899916948900413730
4899916948900413730
4899930503817200418
4899930503817200418
4899930503817200418
4899930503817200418
4900813446099088166
288230380446679040
288230380446679040
4899930503817200418
4899930503817200418
0
768
768
288230724044...

result:

ok 748697 lines

Test #12:

score: 0
Accepted
time: 981ms
memory: 84432kb

input:

1000000 1000000
4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896...

output:

4896682234503638342
4896682234503638342
4896682234503638342
82333682484117506
4896682234503638342
82333682484117506
9150188513918978
9150188513918978
4896682234503638342
4896682234503638342
9150188513918978
4896682234503638342
9150188513918978
4896682234503638342
4896682234503638342
9150188513918978...

result:

ok 748737 lines

Test #13:

score: 0
Accepted
time: 991ms
memory: 84284kb

input:

1000000 1000000
5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828...

output:

5828086749355423563
8192
0
0
1152921504793493761
0
0
0
134217728
5828086749355423563
4647719230811407937
0
0
0
0
4647719230811407937
4611686018427396096
0
0
4415226380288
0
0
0
0
4665729214006427657
0
0
4665729213955833856
0
4665733612138661120
0
0
4611686018429485056
4666015104295802624
0
0
0
0
0
4...

result:

ok 749804 lines

Test #14:

score: 0
Accepted
time: 1004ms
memory: 84380kb

input:

1000000 1000000
1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970703737173261435 1970...

output:

18014398510006272
1970703737173261435
1970703737173261435
18014398510006272
1170935903116331008
1170935903116331008
1242993501449496576
72057598332903424
72127962782629888
72057594037927936
72057598333165568
70405251923968
0
0
0
0
0
0
0
673367418922088530
72127962782892032
18014398509481984
0
704052...

result:

ok 749806 lines

Test #15:

score: 0
Accepted
time: 982ms
memory: 84496kb

input:

1000000 1000000
1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268538845505400998 1268...

output:

1191203210145169410
0
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result:

ok 749818 lines

Test #16:

score: 0
Accepted
time: 997ms
memory: 84496kb

input:

1000000 1000000
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output:

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result:

ok 749921 lines

Test #17:

score: 0
Accepted
time: 966ms
memory: 84448kb

input:

1000000 1000000
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output:

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result:

ok 749798 lines

Test #18:

score: 0
Accepted
time: 919ms
memory: 84380kb

input:

1000000 1000000
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output:

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result:

ok 332866 lines

Test #19:

score: 0
Accepted
time: 1034ms
memory: 84308kb

input:

1000000 1000000
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output:

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result:

ok single line: '2984855923226151208'

Test #20:

score: 0
Accepted
time: 620ms
memory: 84372kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #21:

score: 0
Accepted
time: 1066ms
memory: 84404kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #22:

score: 0
Accepted
time: 977ms
memory: 84376kb

input:

1000000 1000000
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output:

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result:

ok 749894 lines

Test #23:

score: 0
Accepted
time: 904ms
memory: 84520kb

input:

1000000 1000000
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output:

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result:

ok 332716 lines

Test #24:

score: 0
Accepted
time: 1040ms
memory: 84284kb

input:

1000000 1000000
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output:

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result:

ok single line: '8665112799136011124'

Test #25:

score: 0
Accepted
time: 620ms
memory: 84308kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #26:

score: 0
Accepted
time: 1490ms
memory: 84400kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #27:

score: 0
Accepted
time: 965ms
memory: 84408kb

input:

1000000 1000000
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output:

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result:

ok 748681 lines

Test #28:

score: 0
Accepted
time: 909ms
memory: 84356kb

input:

1000000 1000000
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output:

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result:

ok 333960 lines

Test #29:

score: 0
Accepted
time: 1037ms
memory: 84296kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #30:

score: 0
Accepted
time: 616ms
memory: 84396kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #31:

score: 0
Accepted
time: 1179ms
memory: 84324kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #32:

score: 0
Accepted
time: 973ms
memory: 84316kb

input:

1000000 1000000
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output:

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result:

ok 748671 lines

Test #33:

score: 0
Accepted
time: 903ms
memory: 84280kb

input:

1000000 1000000
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output:

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result:

ok 333672 lines

Test #34:

score: 0
Accepted
time: 1008ms
memory: 84292kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #35:

score: 0
Accepted
time: 621ms
memory: 84284kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #36:

score: 0
Accepted
time: 1003ms
memory: 84588kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #37:

score: 0
Accepted
time: 984ms
memory: 84300kb

input:

1000000 1000000
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output:

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result:

ok 749802 lines

Test #38:

score: 0
Accepted
time: 897ms
memory: 84336kb

input:

1000000 1000000
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output:

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result:

ok 333436 lines

Test #39:

score: 0
Accepted
time: 1025ms
memory: 84608kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #40:

score: 0
Accepted
time: 604ms
memory: 84444kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #41:

score: 0
Accepted
time: 1025ms
memory: 84456kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #42:

score: 0
Accepted
time: 1002ms
memory: 84456kb

input:

1000000 1000000
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output:

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result:

ok 749867 lines

Test #43:

score: 0
Accepted
time: 909ms
memory: 84284kb

input:

1000000 1000000
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output:

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result:

ok 332080 lines

Test #44:

score: 0
Accepted
time: 1002ms
memory: 84308kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #45:

score: 0
Accepted
time: 613ms
memory: 84312kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #46:

score: 0
Accepted
time: 1017ms
memory: 84452kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #47:

score: 0
Accepted
time: 969ms
memory: 84316kb

input:

1000000 1000000
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output:

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result:

ok 749892 lines

Extra Test:

score: 0
Extra Test Passed
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Server Time: 2025-01-20 21:56:04 | OpenSource Project