QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#670678#6836. A Plus B ProblemwdwAC ✓1419ms67260kbC++205.2kb2024-10-23 23:06:072024-10-23 23:06:07

Judging History

This is the latest submission verdict.

  • [2024-10-23 23:06:07]
  • Judged
  • Verdict: AC
  • Time: 1419ms
  • Memory: 67260kb
  • [2024-10-23 23:06:07]
  • Submitted

answer

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef double db;
//#define int long long
const int N = 1e6 + 5;
struct node {
    int l, r, pre[2], id, la;
} t[N * 4];


void pushup(node &ans, node zer, node yer) {
    ans.l = zer.l, ans.r = yer.r;
    ans.pre[0] = zer.pre[0] + yer.pre[0];
    ans.pre[1] = zer.pre[1] + yer.pre[1];
}

void pushup(int p) {
    pushup(t[p], t[p * 2], t[p * 2 + 1]);
}

void f(int p, int x) {
    if (x == 1) {
        t[p].id = 0;
        t[p].pre[0] = (t[p].r - t[p].l + 1);
        t[p].pre[1] = 0;
        t[p].la = 1;
    } else if (x == 2) {
        t[p].id = 9;
        t[p].pre[1] = (t[p].r - t[p].l + 1);
        t[p].pre[0] = 0;
        t[p].la = 2;
    }
}

void pushdown(int p) {
    if (t[p].la) {
        f(p * 2, t[p].la);
        f(p * 2 + 1, t[p].la);
        t[p].la = 0;
        return;
    }
}

int c[N], a[N], b[N];

void build(int p, int l, int r) {
    t[p].l = l, t[p].r = r;
    if (l == r) {
        t[p].id = c[l];
        if (t[p].id == 0) {
            t[p].pre[0] = 1;
            t[p].pre[1] = 0;
        } else if (t[p].id == 9) {
            t[p].pre[1] = 1;
            t[p].pre[0] = 0;
        }
        return;
    }
    int mid = (l + r) / 2;
    build(p * 2, l, mid);
    build(p * 2 + 1, mid + 1, r);
    pushup(p);
}//
void change(int p, int l, int r, int x) {
    if (t[p].l >= l && t[p].r <= r) {
        t[p].id = x;
        if (t[p].id == 0) {
            t[p].pre[0] = (t[p].r - t[p].l + 1);
            t[p].pre[1] = 0;
            t[p].la = 1;
        } else if (t[p].id == 9) {
            t[p].pre[1] = (t[p].r - t[p].l + 1);
            t[p].pre[0] = 0;
            t[p].la = 2;
        } else {
            t[p].pre[1] = 0;
            t[p].pre[0] = 0;
            t[p].la = 0;
        }
        return;
    }
    pushdown(p);
    int mid = (t[p].r + t[p].l) / 2;
    if (mid < r)change(p * 2 + 1, l, r, x);
    if (mid >= l)change(p * 2, l, r, x);
    pushup(p);
}

node ask(int p, int l, int r) {
    if (t[p].l >= l && t[p].r <= r) {
        return t[p];
    }
    pushdown(p);
    int mid = (t[p].r + t[p].l) / 2;
    if (r <= mid) {
        return ask(p * 2, l, r);
    } else if (l > mid) {
        return ask(p * 2 + 1, l, r);
    } else {
        node res;
        pushup(res, ask(p * 2, l, r), ask(p * 2 + 1, l, r));
        return res;
    }
}

int n, q;

int ql(int p, int x, int id) {
    if (t[p].l == t[p].r)return t[p].l;
    pushdown(p);
    int mid = (t[p].l + t[p].r) / 2;
    int sum = (t[p].r - mid) - t[p * 2 + 1].pre[id];
    if (sum >= x) {
        return ql(p * 2 + 1, x, id);
    } else {
        return ql(p * 2, x - sum, id);
    }
}

void solve() {
    cin >> n >> q;
    string a1, a2;
    cin >> a1 >> a2;
    for (int i = 0; i < a1.size(); i++) {
        a[i + 1] = (a1[i] - '0');
    }
    for (int i = 0; i < a2.size(); i++) {
        b[i + 1] = (a2[i] - '0');
    }
    for (int i = n; i >= 1; i--) {
        c[i] += (a[i] + b[i]);
        if (c[i] >= 10) {
            c[i] %= 10;
            c[i - 1]++;
        }
    }
    c[0] = 1e7;
    build(1, 0, n);
//    for (int i = 1; i <= n; i++) {
//        cout << ask(1, i, i).id;
//    }
//    cout << '\n';
    for (int i = 1; i <= q; i++) {
        int r, cc, d;
        cin >> r >> cc >> d;
        int f = 0;
        auto p1 = ask(1, cc, cc);
        int w = 0;

        if (r == 1) {
            w = d - a[cc];
            a[cc] = d;
        } else {
            w = d - b[cc];
            b[cc] = d;
        }
        int f1 = 0;
        int px = 0;
        int ans = 0;
        if (w != 0) {
            ans++;
        }
        if (p1.id + w >= 10) {
            f1 = 1;
            px = p1.id + w - 10;
        } else if (p1.id + w < 0) {
            f = 1;
            px = p1.id + w + 10;
        } else {
            px = p1.id + w;
        }
        if (px != p1.id) {
            ans++;
        }
        change(1, cc, cc, px);
        if (f1) {
            auto sum = ask(1, cc, n);
            int val = (n - cc + 1 - sum.pre[1]) + 1;
            int l = ql(1, val, 1);
            if (l + 1 <= cc - 1) {
                change(1, l + 1, cc - 1, 0);
                ans += (cc - 1 - (l + 1) + 1);
            }
            auto p = ask(1, l, l);
            change(1, l, l, p.id + 1);
            if (l > 0)
                ans++;
        } else if (f) {
            auto sum = ask(1, cc, n);
            int val = (n - cc + 1 - sum.pre[0]) + 1;
            int l = ql(1, val, 0);
            if (l + 1 <= cc - 1) {
                change(1, l + 1, cc - 1, 9);
                ans += (cc - 1 - (l + 1) + 1);
            }
            auto p = ask(1, l, l);
            change(1, l, l, p.id - 1);
            if (l > 0)
                ans++;

        }
        auto p3 = ask(1, cc, cc);
        cout << p3.id << " " << ans << "\n";
//        for (int i = 1; i <= n; i++) {
//            cout << ask(1, i, i).id;
//        }
//        cout << '\n';
    }

}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    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: 0ms
memory: 7824kb

input:

5 5
01234
56789
2 1 0
2 2 1
2 3 2
2 4 3
2 5 4

output:

0 2
3 2
5 3
7 3
8 3

result:

ok 5 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 7900kb

input:

1 1
1
1
1 1 9

output:

0 2

result:

ok single line: '0 2'

Test #3:

score: 0
Accepted
time: 239ms
memory: 7564kb

input:

10 1000000
6869373857
3130626142
1 9 2
1 10 0
2 7 6
1 1 0
1 7 6
2 10 4
2 3 9
2 4 2
2 4 4
2 7 0
1 2 4
1 9 8
1 3 7
1 7 1
1 1 5
2 1 6
1 3 5
2 5 8
2 6 5
1 6 3
1 3 8
2 4 2
2 6 3
2 2 6
1 10 9
2 1 1
2 5 4
1 1 8
2 4 0
1 9 1
1 1 8
2 4 2
2 9 2
1 10 3
1 8 9
1 4 6
2 3 0
1 1 6
1 7 1
1 10 9
2 4 4
2 5 9
2 1 8
1 9 ...

output:

6 2
2 2
9 0
3 2
2 8
4 2
6 2
2 2
4 2
6 5
6 3
2 4
7 2
2 2
8 2
1 2
5 2
1 3
2 3
8 3
8 2
2 2
6 2
1 3
3 3
7 2
7 3
0 2
9 3
6 4
0 0
1 3
4 2
7 3
0 3
8 3
8 3
8 2
2 0
3 3
0 3
2 3
5 2
9 2
4 2
8 2
3 3
5 3
3 2
5 0
4 2
3 2
1 2
4 2
7 3
0 2
5 2
6 2
0 3
4 2
4 2
3 2
5 3
6 3
3 0
8 2
9 3
9 3
1 2
1 4
7 2
5 2
5 2
4 0
0 2
...

result:

ok 1000000 lines

Test #4:

score: 0
Accepted
time: 238ms
memory: 7716kb

input:

10 1000000
8702774998
9088637390
1 3 3
2 4 7
1 4 0
1 6 7
1 1 1
1 4 0
2 3 8
1 7 7
2 4 5
2 4 2
1 8 2
2 6 7
1 1 2
1 1 4
1 10 3
1 2 3
1 2 5
1 4 8
1 6 5
1 9 8
1 1 9
1 2 1
1 8 5
1 8 3
1 7 1
1 9 7
1 10 7
1 8 5
1 5 1
2 6 4
1 6 1
2 10 2
1 10 5
2 10 1
1 9 3
2 2 0
1 1 0
1 6 6
2 2 5
2 4 4
2 5 6
2 7 4
1 2 5
2 4 ...

output:

2 3
0 2
8 3
1 0
0 2
8 0
1 0
5 2
6 2
3 2
6 3
5 2
1 2
3 2
3 2
4 2
6 2
1 3
3 2
7 2
8 2
2 2
9 2
7 2
8 3
6 2
7 2
9 2
8 3
9 3
5 2
9 2
7 2
6 2
2 2
2 0
9 2
0 3
7 2
2 2
8 0
5 2
1 3
0 2
2 3
3 2
0 2
3 3
2 2
0 2
2 0
5 2
1 2
3 2
4 3
6 0
6 2
2 2
1 2
6 3
0 2
7 2
7 3
4 0
3 2
8 2
3 2
4 0
8 3
8 2
4 2
5 2
5 2
5 2
7 2
...

result:

ok 1000000 lines

Test #5:

score: 0
Accepted
time: 236ms
memory: 7836kb

input:

10 1000000
6869373857
3130626142
1 3 2
1 8 6
1 8 8
1 3 6
1 1 6
1 1 6
2 5 3
2 5 6
2 4 2
2 5 7
2 5 6
2 4 0
2 5 0
2 5 6
1 3 7
1 3 6
2 7 0
2 1 6
2 1 3
2 7 6
2 5 8
2 6 6
2 5 2
2 5 8
2 3 3
2 2 1
2 2 1
2 3 3
2 4 0
2 5 4
2 5 8
2 4 0
2 6 2
2 1 2
2 1 3
1 1 8
2 3 9
2 3 3
1 1 6
2 5 6
2 7 7
1 4 6
1 1 2
1 1 6
1 4...

output:

5 2
7 2
9 2
9 2
9 0
9 0
6 2
9 2
1 5
0 3
9 3
9 5
3 2
9 2
0 4
9 4
3 2
2 2
9 2
9 2
1 6
3 3
6 6
2 6
0 0
0 0
0 0
0 0
0 0
8 6
2 6
0 0
9 3
9 2
0 2
2 2
6 2
0 2
0 2
9 6
0 8
7 5
5 2
9 2
0 5
9 8
5 2
3 5
5 2
9 2
9 5
9 2
8 2
9 2
7 2
9 2
3 10
8 3
0 3
9 10
8 2
5 2
2 4
6 2
4 4
6 3
3 3
9 3
3 2
5 4
7 2
6 2
8 2
1 3
9 ...

result:

ok 1000000 lines

Test #6:

score: 0
Accepted
time: 302ms
memory: 7568kb

input:

10 1000000
6869373857
3130626142
1 9 6
1 9 5
1 10 8
1 10 7
2 7 8
2 7 6
1 6 8
1 6 7
1 7 8
1 7 3
2 10 4
2 10 2
2 8 3
2 8 1
2 9 7
2 9 4
2 9 9
2 9 4
2 7 7
2 7 6
1 7 4
1 7 3
1 9 6
1 9 5
1 8 9
1 8 8
1 7 5
1 7 3
1 6 9
1 6 7
2 6 8
2 6 2
1 8 9
1 8 8
2 10 6
2 10 2
2 6 9
2 6 2
1 6 9
1 6 7
1 8 9
1 8 8
2 9 7
2 9...

output:

0 10
9 10
0 11
9 11
1 8
9 8
0 7
9 7
4 8
9 8
1 11
9 11
1 9
9 9
2 10
9 10
4 10
9 10
0 8
9 8
0 8
9 8
0 10
9 10
0 9
9 9
1 8
9 8
1 7
9 7
5 7
9 7
0 9
9 9
3 11
9 11
6 7
9 7
1 7
9 7
0 9
9 9
2 10
9 10
2 7
9 7
1 8
9 8
1 11
9 11
4 7
9 7
5 11
9 11
0 7
9 7
0 10
9 10
1 10
9 10
0 7
9 7
2 10
9 10
2 10
9 10
1 11
9 1...

result:

ok 1000000 lines

Test #7:

score: 0
Accepted
time: 1123ms
memory: 66240kb

input:

1000000 1000000
68693738574822907668000669943297325347608140886272616051068251483556534289323531160993017440087302814083329820936792365202060610991343493080865626095241885616863256382251749215319751373247876361270911203617554820406029584474249635378527788208607403822974202545637490373196507887743784...

output:

4 2
6 2
4 2
5 2
7 97772
8 2
0 140233
6 2
5 2
1 2
1 70008
8 2
1 987
0 138405
5 2
6 138113
1 121002
2 35285
4 2
0 2
3 25467
5 2
8 2
4 5543
6 2
1 3862
8 2
3 107304
6 81700
0 0
2 2
0 0
0 15551
5 14120
3 4872
7 2
0 0
6 58933
6 2
9 7954
4 2
4 2
3 63166
0 0
8 38562
1 349
6 10624
3 2
3 2
4 2
8 65159
4 21435...

result:

ok 1000000 lines

Test #8:

score: 0
Accepted
time: 1169ms
memory: 66440kb

input:

1000000 1000000
61693798575862907668150369943297325385708140884272416052068257423550554279326571150943024493087202814853321120702792765522060610138341594081829639894344885616853227782222149213319781393275876306231911209117574815406667384452247691376587753208747407802994802745837490373194507888042646...

output:

9 6
6 4
0 3
0 2
6 2
4 2
9 3
2 3
1 6
3 2
2 2
9 4
0 5
4 2
9 4
0 2
9 3
9 2
6 2
8 0
7 3
8 5
0 0
4 4
9 3
9 3
0 3
4 3
9 2
5 2
9 3
0 0
6 3
1 7
0 3
9 0
0 0
9 2
3 2
0 2
9 3
5 2
6 0
1 2
5 2
9 3
2 0
1 2
9 9
0 3
3 6
9 0
9 3
1 5
0 0
9 2
8 3
0 3
0 2
0 3
1 2
9 2
9 3
0 2
6 3
0 3
9 2
9 2
0 3
3 2
0 3
0 4
6 2
0 2
6 3
...

result:

ok 1000000 lines

Test #9:

score: 0
Accepted
time: 1147ms
memory: 67260kb

input:

1000000 1000000
68693738574822907668000669943297325347608140886272616051068251483556534289323531160993017440087302814083329820936792365202060610991343493080865626095241885616863256382251749215319751373247876361270911203617554820406029584474249635378527788208607403822974202545637490373196507887743784...

output:

3 958194
6 349300
6 259789
4 2
1 77093
6 2
9 2
8 2
9 2
5 133811
5 2
0 8254
9 0
9 0
9 8254
9 2
4 5608
4 2
3 328452
6 97720
7 8629
0 0
7 13938
9 113207
0 113207
4 2
0 0
4 2
9 2
1 2
6 2
9 2
0 2
0 0
1 2
0 2
0 2
4 2808
9 2808
0 13938
2 206652
0 206652
9 115835
0 115835
0 0
2 2
9 2
2 2
3 2
0 2
0 2
9 8629
...

result:

ok 1000000 lines

Test #10:

score: 0
Accepted
time: 1419ms
memory: 66756kb

input:

1000000 1000000
68693738574822907668000669943297325347608140886272616051068251483556534289323531160993017440087302814083329820936792365202060610991343493080865626095241885616863256382251749215319751373247876361270911203617554820406029584474249635378527788208607403822974202545637490373196507887743784...

output:

0 832279
9 832279
9 0
9 0
0 754544
9 754544
1 609087
9 609087
4 930049
9 930049
0 809411
9 809411
0 749318
9 749318
0 582458
9 582458
9 0
9 0
0 868657
9 868657
9 0
9 0
2 707359
9 707359
1 869642
9 869642
0 568452
9 568452
0 735732
9 735732
2 568160
9 568160
0 551049
9 551049
1 535285
9 535285
0 8651...

result:

ok 1000000 lines