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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
#611960#6836. A Plus B ProblemwangcqAC ✓1450ms84468kbC++235.0kb2024-10-05 00:40:132024-10-05 00:40:14

Judging History

你现在查看的是最新测评结果

  • [2024-10-05 00:40:14]
  • 评测
  • 测评结果:AC
  • 用时:1450ms
  • 内存:84468kb
  • [2024-10-05 00:40:13]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
const int N = 1000010;
typedef long long ll;
typedef pair<int, int> pii;
std::mt19937 rng {std::chrono::steady_clock::now().time_since_epoch().count()};

template <typename T>
void debug(T x) {
    cerr << x << '\n';
}

template <typename T, typename... Args>
void debug(T x, Args... args) {
    cerr << x << ' ';
    debug(args...);
}
int tmp[N];
struct node {
    int l, r, len;
    int val;
    int r0, r9;
    int lz0, lz9;
} tr[N * 4];

void change(int u) {
    tr[u].r0 = tr[u].r9 = 0;
    if (tr[u].val == 0) tr[u].r0 = 1;
    else if (tr[u].val == 9) tr[u].r9 = 1;
}

void pushup(node &t, node &le, node &ri) {
    t.r0 = (ri.r0 + (ri.r0 == ri.len ? le.r0 : 0));
    t.r9 = (ri.r9 + (ri.r9 == ri.len ? le.r9 : 0));
}

void pushup(int u) {
    pushup(tr[u], tr[u << 1], tr[u << 1 | 1]);
}

void build(int u, int l, int r) {
    tr[u] = {l, r, r - l + 1, 0, 0, 0, 0, 0};
    if (l == r) {
        tr[u].val = tmp[l];
        change(u);
        return ;
    }
    int mid = l + r >> 1;
    build(u << 1, l, mid);
    build(u << 1 | 1, mid + 1, r);
    pushup(u);
}

void change0(node &t) {
    t.lz0 = 1; t.lz9 = 0;
    t.r0 = t.len; 
    t.r9 = 0;
    t.val = 0;
}

void change9(node &t) {
    t.lz0 = 0; t.lz9 = 1;
    t.r9 = t.len; 
    t.r0 = 0;
    t.val = 9;
}

void pushdown(int u) {
    if (tr[u].lz0) {
        change0(tr[u << 1]);
        change0(tr[u << 1 | 1]);
        tr[u].lz0 = 0;
    } else if (tr[u].lz9) {
        change9(tr[u << 1]);
        change9(tr[u << 1 | 1]);
        tr[u].lz9 = 0;
    }
}

int fval(int u, int x) {
    if (tr[u].l == x && tr[u].r == x) {
        return tr[u].val;
    } else {
        pushdown(u);
        int mid = tr[u].l + tr[u].r >> 1;
        if (x <= mid) return fval(u << 1, x);
        else return fval(u << 1 | 1, x);
    }
}

void modify(int u, int x, int c) {
    if (tr[u].l == x && tr[u].r == x) {
        tr[u].val = (tr[u].val + c + 10) % 10;
        change(u);
        return ;
    }
    pushdown(u);
    int mid = tr[u].l + tr[u].r >> 1;
    if (x <= mid) modify(u << 1, x, c);
    else modify(u << 1 | 1, x, c);
    pushup(u);
}

int get (int p, int r, int w){
    if (!r) return 0;
    if (tr[p].r <= r) {
        if (w == 0) return tr[p].r0;
        return tr[p].r9;
    }
    pushdown(p);
    int mid = (tr[p].l + tr[p].r) >> 1;
    if(r <= mid) return get(p << 1, r, w);
    else {
        int x = get(p << 1 | 1, r, w);
        if (x == r - mid) x += get(p << 1, r, w);
        return x;
    }
}

void tp(int u, int l, int r, int w) {
    if (tr[u].l >= l && tr[u].r <= r) {
        if (w == 0) {
            change0(tr[u]);
        } else {
            change9(tr[u]);
        }
        return ;
    }
    pushdown(u);
    int mid = tr[u].l + tr[u].r >> 1;
    if (l <= mid) tp(u << 1, l, r, w);
    if (r > mid) tp(u << 1 | 1, l, r, w);
    pushup(u);
}

void solve() {
    int n, q;
    cin >> n >> q;
    string s1, s2;
    cin >> s1 >> s2; s1 = ' ' + s1; s2 = ' ' + s2;
    vector<int> a(n + 1), b(n + 1);
    for (int i = 1; i <= n; i ++ ) {
        a[i] = s1[i] - '0';
        b[i] = s2[i] - '0';
    }
    for (int i = n; i >= 1; i -- ) {
        int tt = (s1[i] - '0') + (s2[i] - '0');
        tmp[i - 1] += ((tt + tmp[i]) / 10);
        tmp[i] = (tmp[i] + tt) % 10;
    }
    build(1, 1, n);

    while (q -- ) {
        int r, c, d;
        cin >> r >> c >> d;
        int del = 0;
        if (r == 1) {
            del = d - a[c];
            a[c] = d;
        } else {
            del = d - b[c];
            b[c] = d;
        }
        int x = fval(1, c);
        if (! del) cout << x << " 0" << '\n';
        else if (del > 0) {
            modify(1, c, del);
            if (x + del >= 10) {
                int cnt = get(1, c - 1, 9);
                int idx = c - cnt - 1;
                int ans = c - idx + 1;
                if (idx == 0) ans --;
                if (idx + 1 <= c - 1) tp(1, idx + 1, c - 1, 0);
                if (idx) modify(1, idx, 1);
                cout << fval(1, c) << ' ' << ans + 1 << '\n';
            } else {
                cout << fval(1, c) << ' ' << 2 << '\n';
            }
        } else if(del < 0) {
            del = -del;
            modify(1, c, -del);
            if (x - del < 0) {
                int cnt = get(1, c - 1, 0);
                int idx = c - cnt - 1;
                int ans = c - idx + 1;
                if (idx == 0) ans --;
                if (idx + 1 <= c - 1) tp(1, idx + 1, c - 1, 9);
                if (idx) modify(1, idx, -1);
                cout << fval(1, c) << ' ' << ans + 1 << '\n';
            } else {
                cout << fval(1, c) << ' ' << 2 << '\n';
            }
        }
    }
}

signed main() {
    ios::sync_with_stdio(false);
    cin.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?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3672kb

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: 0ms
memory: 3796kb

input:

1 1
1
1
1 1 9

output:

0 2

result:

ok single line: '0 2'

Test #3:

score: 0
Accepted
time: 217ms
memory: 3572kb

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: 226ms
memory: 3576kb

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: 228ms
memory: 3776kb

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: 236ms
memory: 3684kb

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: 1301ms
memory: 83828kb

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: 1450ms
memory: 84128kb

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: 1163ms
memory: 84468kb

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: 1105ms
memory: 82460kb

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