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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#165778#6733. Moniphant Sleepucup-team1209WA 0ms0kbC++147.4kb2023-09-05 21:40:372023-09-05 21:40:38

Judging History

你现在查看的是测评时间为 2023-09-05 21:40:38 的历史记录

  • [2023-09-05 22:11:31]
  • 管理员手动重测本题所有提交记录
  • 测评结果:WA
  • 用时:1ms
  • 内存:81812kb
  • [2023-09-05 21:40:38]
  • 评测
  • 测评结果:0
  • 用时:0ms
  • 内存:0kb
  • [2023-09-05 21:40:37]
  • 提交

answer

#include <bits/stdc++.h>
#define cs const
#define pb push_back
using namespace std;
cs int oo = 1e9 + 7; 

cs int N = 5e5 + 5; 

int n, q; 

int fix(int x) {
    if(x >= oo - 5) return oo; 
    return x; 
}

struct func {
    int v1, p, v2, vi; 
    func (int v1 = 0, int p = -1, int v2 = -1, int vi = oo) 
        : v1(v1), p(p), v2(v2), vi(vi) {}
    int operator () (cs int &x) {
        if(x == oo) return vi;
        if(x <= p) return v1; 
        return fix(v2 + x - p); 
    }
    void fit () {
        if(v1 < 0) {
            v1 = oo; 
        }
        if(v2 < -1) {
            p -= v2 + 1; 
            v2 = -1;
        }
        if(vi < 0) {
            vi = oo; 
        }
        v1 = fix(v1); 
        v2 = fix(v2); 
        vi = fix(vi);
        p = fix(p);
    }
    void trans() {
        if(v1 == oo) v1 = 0;
        if(vi == oo) vi = 0; 
    }
};

func operator + (cs func &a, cs func &b) {
    if(a.p == oo && b.p == oo) 
        return func(fix(a.v1 + b.v1), oo, 0, fix(a.vi + b.vi)); 
    if(a.p == oo) 
        return func(fix(a.v1 + b.v1), b.p, fix(a.v1 + b.v2), fix(a.vi + b.vi));
    if(b.p == oo)
        return func(fix(a.v1 + b.v1), a.p, fix(a.v2 + b.v1), fix(a.vi + b.vi));
    assert(0);
}



func F(func a, func b) {
    func c; 
    if(a.p == oo) {
        c = func (a.v1, oo, 0, a(b.vi));
    for(int i = 0; i <= 10; i++) 
        assert(c(i) == a(b(i)));
    assert(c(oo) == a(b(oo)));
        c.fit();
    // cout << "FUHE -------------------- " << endl;
    // cout << a.v1 << ' ' << a.p << ' ' << a.v2 << ' ' << a.vi << endl;
    // cout << b.v1 << ' ' << b.p << ' ' << b.v2 << ' ' << b.vi << endl;
    // cout << c.v1 << ' ' << c.p << ' ' << c.v2 << ' ' << c.vi << endl;
    // cout << c(0) << ' ' << a(b(0)) <<endl;
    // cout << "______________________________ " << endl;
        return c; 
    }
    if(b.p == oo) {
        c = func (a(b.v1), oo, 0, a(b.vi)); 
    for(int i = 0; i <= 10; i++) 
        assert(c(i) == a(b(i)));
    assert(c(oo) == a(b(oo)));
        c.fit();
    // cout << "FUHE -------------------- " << endl;
    // cout << a.v1 << ' ' << a.p << ' ' << a.v2 << ' ' << a.vi << endl;
    // cout << b.v1 << ' ' << b.p << ' ' << b.v2 << ' ' << b.vi << endl;
    // cout << c.v1 << ' ' << c.p << ' ' << c.v2 << ' ' << c.vi << endl;
    // cout << c(0) << ' ' << a(b(0)) <<endl;
    // cout << "______________________________ " << endl;
        return c;
    }
    c.vi = a(b.vi);
    c.p = b.p; 
    c.v1 = a(b.v1);
    if(a.p > b.v2) {
        c.p += a.p - b.v2; 
        c.v1 = a.v1; 
    }
    c.v2 = a(b(c.p + 1)) - 1;
    
    // cout << "FUHE -------------------- " << endl;
    // cout << a.v1 << ' ' << a.p << ' ' << a.v2 << ' ' << a.vi << endl;
    // cout << b.v1 << ' ' << b.p << ' ' << b.v2 << ' ' << b.vi << endl;
    // cout << c.v1 << ' ' << c.p << ' ' << c.v2 << ' ' << c.vi << endl;
    // cout << c(0) << ' ' << a(b(0)) <<endl;
    // cout << "______________________________ " << endl;
    for(int i = 0; i <= 10; i++) 
        assert(c(i) == a(b(i)));
    assert(c(oo) == a(b(oo)));

    c.fit();

    return c; 
}

func flat (func x) {
    if(x.v1 == oo) x.v1 = 0; 
    if(x.vi == oo) x.vi = 0; 
    return x; 
}

struct skip {
    func a, c; 
    int d; 
    bool add;
    skip (func a = func(0, oo, 0, 0), func c = func(0, -1, -1, oo), int d = 0, bool add = 0) 
        : a(a), c(c), d(d), add(add) {}
    void operator += (cs skip &x) {
        if(x.add) {
            a = a + flat (F(x.a, c));
            add = 1; 
        }
        d += x.d; 
        c = F(x.c, c);
    }
};
#define mid ((l + r) >> 1) 
skip t[N << 2];

skip a[4] = {
    skip(func(0, oo, 0, 0), func(0, -1, 0, oo), 1, 0),
    skip(func(0, oo, 0, 0), func(oo, 0, -1, oo), -1, 0),
    skip(func(0, oo, 0, 0), func(0, -1, -1, 0), 0, 0),
    skip(func(0, -1, -1, 0), func(oo, oo, 0, oo), 0, 1)
};


void pbpb(skip & c, int op) {
    c += a[op - 1]; 
}

void put(int x, skip c) {
    t[x] += c; 
}

void down(int x) {
    put(x << 1, t[x]);
    put(x << 1 | 1, t[x]);
    t[x] = skip();
}

void modify (int x, int l, int r, int L, int R, int op) {
    if(L <= l && r <= R) {
        pbpb(t[x], op);
        return;
    }
    down(x);
    if(L <= mid) modify(x << 1, l, mid, L, R, op);
    if(R > mid) modify(x << 1 | 1, mid + 1, r, L, R, op); 
}

int query(int x, int l, int r, int p) {
    if(l == r) {
        return t[x].d - t[x].a(oo); 
    }
    down(x);
    if(p <= mid) return query(x << 1, l, mid, p);
    return query(x << 1 | 1, mid + 1, r, p);
}
// void dfs(int u, int l, int r) {
//     if(l == r) return;
//     down(u);
//     dfs(u << 1, l, mid);
//     dfs(u<< 1 | 1, mid + 1, r);
// }
#undef mid 


int main() {
    #ifdef zqj
    freopen("1.in","r",stdin);
    #endif
    cin >> n >> q;

    // unsigned seed = 1693905673u;// time(0);
    // srand(seed);
    // cerr << seed << endl;
    vector <int> at(5);
    for(int i=0; i<at.size(); i++) at[i]=rand()%4;
    // cout << a1.c.v1 << ' ' << a1.c.v2 << ' ' << a1.c.vi << ' ' << a1.c.p << endl;
    // cout << a1.a.v1 << ' ' << a1.a.v2 << ' ' << a1.a.vi << ' ' << a1.a.p << endl;
    // a1 = a[3], a2 = a[2], a3 = a[0];;
    // a2 += a3;
    // a1 += a2; 
    // cout << a1.c.v1 << ' ' << a1.c.v2 << ' ' << a1.c.vi << ' ' << a1.c.p << endl;
    // cout << a1.a.v1 << ' ' << a1.a.v2 << ' ' << a1.a.vi << ' ' << a1.a.p << endl;
    // a1 += skip();
    // cout << a1.a.v1 << ' ' << a1.a.p << ' ' << a1.a.v2 << ' ' << a1.a.vi << endl;
    // skip c;
    // c += a1;
    // a1 = c; 
    // cout << a1.a.v1 << ' ' << a1.a.p << ' ' << a1.a.v2 << ' ' << a1.a.vi << endl;
    skip fr, bk; 
    at = {2, 1, 3};
    for(int i=0; i< at.size(); i++) {
        fr+=a[at[i]];
        
        cout << fr.c.v1 << ' ' << fr.c.p << ' ' << fr.c.v2 << ' ' << fr.c.vi << endl;
        cout << fr.a.v1 << ' ' << fr.a.p << ' ' << fr.a.v2 << ' ' << fr.a.vi << endl;
    }
    cout << endl;
    for(int i=at.size()-1; ~i; i--){
        skip tmp=a[at[i]];
        tmp+=bk;
        bk=tmp;
        cout << bk.c.v1 << ' ' << bk.c.p << ' ' << bk.c.v2 << ' ' << bk.c.vi << endl;
        cout << bk.a.v1 << ' ' << bk.a.p << ' ' << bk.a.v2 << ' ' << bk.a.vi << endl;
    }
    for(int x: at) cout << x << ' '; cout << endl;
    assert(bk.c.v1==fr.c.v1);
    assert(bk.c.v2==fr.c.v2);
    assert(bk.c.vi==fr.c.vi);
    assert(bk.c.p==fr.c.p);
    assert(bk.a.v1==fr.a.v1);
    assert(bk.a.v2==fr.a.v2);
    assert(bk.a.vi==fr.a.vi);
    assert(bk.a.p==fr.a.p);
    // return 0
    
    for(int z = 0; z < q; z++) {
        int op, l, r;
        scanf("%d%d%d", &op, &l, &r);
        // if(op <= 4) {
        //     modify(1, 1, n, l, r, op);
        // }
        // if(op == 5) {
        //     cout << query(1, 1, n, l) + 500000 << '\n';
        // }
        
        if(op <= 4) {
            for(int i = l; i <= r; i++) 
                pbpb(t[i], op);
        }
        if(op == 5) {
            cout << t[l].d - t[l].a(oo) + 500000 << '\n';
        }
        // cout << "FF " << l << ' ' << r << ' ' << op<< endl;
        // for(int j = 4; j <= 4; j++) {

        // cout << t[j].c.v1 << ' ' << t[j].c.p << ' ' << t[j].c.v2 << ' ' << t[j].c.vi << '\n';
        // cout << t[j].a.v1 << ' ' << t[j].a.p << ' ' << t[j].a.v2 << ' ' << t[j].a.vi << '\n';
        // cout << t[j].d << ' ' << t[j].d - t[j].a(oo) << endl;
        // }
    }       
    return 0; 
}

Details

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Test #1:

score: 0
Memory Limit Exceeded

input:

1 9
1 1 1
1 1 1
1 1 1
3 1 1
2 1 1
1 1 1
1 1 1
4 1 1
5 1 1

output:


result: