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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#880874#3299. Advertisement MatchingDecember456WA 0ms9956kbC++173.7kb2025-02-03 22:15:382025-02-03 22:15:39

Judging History

This is the latest submission verdict.

  • [2025-02-03 22:15:39]
  • Judged
  • Verdict: WA
  • Time: 0ms
  • Memory: 9956kb
  • [2025-02-03 22:15:38]
  • Submitted

answer

#include <algorithm>
#include <cstdio>

#define ls(o) o * 2
#define rs(o) o * 2 + 1

constexpr int MAXN = 250000 + 2;
constexpr long long LINF = 1000000000000000000ll;

int a[MAXN], b[MAXN], p[MAXN], s1[MAXN];

bool vis[MAXN];

long long s2[MAXN];

class FenwickTree {
  public:
    int n, t[MAXN << 1];

    void init(int _n, int v) {
        n = _n;

        for (int i = 1; i <= n + 1; i ++) {
            t[i] = v;
        }
    }

    void add(int x, int v) {
        for (x ++; x <= n + 1; x += x & -x) {
            t[x] += v;
        }
    }

    int query(int x) {
        int ret = 0;
        for (x ++; x; x &= x - 1) {
            ret += t[x];
        }

        return ret;
    }
} fenTree;

class SegmentTree {
  public:
    int n;

    long long t[MAXN << 2];

    void pushUp(int o) {
        long long val = std::min(t[o << 1], t[o << 1 | 1]);

        t[o << 1] -= val;
        t[o << 1 | 1] -= val;

        t[o] += val;
    }

    void init(int _n, int m) {
        for (n = 1; n <= _n + 1; n <<= 1);

        for (int i = 1; i <= _n; i ++) {
            t[i + n + 1] = t[i + n] + p[i];
        }

        for (int i = 0; i <= _n; i ++) {
            t[i + n + 1] += s2[_n - i]
              + (long long){m - s1[_n - i]} * (_n - i);
        }

        for (int i = n; i; i --) {
            pushUp(i);
        }
    }

    void add(int l, int r, int v) {
        if (l > r) {
            return;
        }

        for (l += n, r += n + 2; l ^ r ^ 1;
          pushUp(l >>= 1), pushUp(r >>= 1)) {
            if (~l & 1) {
                t[l ^ 1] += v;
            }
            if (r & 1) {
                t[r ^ 1] += v;
            }
        }

        while (l >>= 1) {
            pushUp(l);
        }
    }

    long long query(int l, int r) {
        long long ansL = LINF, ansR = LINF;

        for (l += n, r += n + 2; l ^ r ^ 1;
          ansL += t[l >>= 1], ansR += t[r >>= 1]) {
            if (~l & 1) {
                ansL = std::min(ansL, t[l ^ 1]);
            }
            if (r & 1) {
                ansR = std::min(ansR, t[r ^ 1]);
            }
        }

        ansL = std::min(ansL, ansR);

        while (l >>= 1) {
            ansL += t[l];
        }

        return ansL;
    }
} segTree;

int main() {
    int n, m, q;
    scanf("%d%d", &n, &m);

    long long sumA = 0;

    for (int i = 1; i <= n; i ++) {
        scanf("%d", &a[i]);

        sumA += a[p[i] = i];
        vis[a[i]] = true;
    }

    for (int i = 1; i <= m; i ++) {
        scanf("%d", &b[i]);

        s1[b[i]] ++;
        s2[b[i]] += b[i];
    }

    for (int i = 1; i <= n; i ++) {
        s1[i] += s1[i - 1];
        s2[i] += s2[i - 1];
    }

    for (int i = 0, j = 0; i < MAXN; i ++) {
        if (vis[i]) {
            p[++ j] = i;
        }
    }

    segTree.init(n, m);
    fenTree.init((MAXN - 2) << 1, 0);

    for (int i = 1; i <= n; i ++) {
        fenTree.add(a[i], 1);
    }

    scanf("%d", &q);

    while (q --) {
        int op, x;
        scanf("%d%d", &op, &x);

        if (op == 1) {
            segTree.add(fenTree.query(a[x]), n, 1);

            fenTree.add(a[x], -1);
            fenTree.add(++ a[x], 1);

            sumA ++;
        }

        if (op == 2) {
            fenTree.add(a[x], -1);
            fenTree.add(-- a[x], 1);

            segTree.add(fenTree.query(a[x]), n, -1);

            sumA --;
        }

        if (op == 3) {
            segTree.add(0, n - (++ b[x]), 1);
        }

        if (op == 4) {
            segTree.add(0, n - (b[x] --), -1);
        }

        putchar('0' ^ (sumA == segTree.query(0, n)));
        putchar('\n');
    }

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 9952kb

input:

5 5
1 5 2 4 3
3 3 3 3 3
5
4 2
3 5
2 2
1 1
1 4

output:

0
1
1
1
0

result:

ok 5 lines

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 9956kb

input:

100 100
13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 1...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

wrong answer 1st lines differ - expected: '1', found: '0'