oj.uz

Submission #828142

# Submission time Handle Problem Language Result Execution time Memory
828142 2023-08-17T05:56:41 Z PoonYaPat Food Court (JOI21_foodcourt) C++14
24 / 100
 123 ms 32384 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pii;

int n,m,q,ans[250005],base[250005];
ll s[1<<20],lz[1<<20],fen[250050];

struct Gr {
    int val,idx,gr;
};

vector<pii> want[250005]; //number on queue and the index of ans
vector<Gr> p[250005]; //people, idx, group
vector<pii> qu[250005]; //queue, idx

ll find(int x) {
    ll sum=0;
    while (x) {
        sum+=fen[x];
        x-=x&-x;
    }
    return sum;
}

void upd(int x, ll val) {
    while (x<=q+5) {
        fen[x]+=val;
        x+=x&-x;
    }
}

void push(int l, int r, int idx) {
    s[idx]+=lz[idx];
    if (l!=r) {
        lz[2*idx]+=lz[idx];
        lz[2*idx+1]+=lz[idx];
    }
    lz[idx]=0;
}

void update(int l, int r, int idx, int x, int y, ll val) {
    push(l,r,idx);
    if (x>r || y<l) return;
    if (x<=l && r<=y) {
        lz[idx]+=val;
        push(l,r,idx);
    } else {
        int mid=(l+r)/2;
        update(l,mid,2*idx,x,y,val);
        update(mid+1,r,2*idx+1,x,y,val);
        s[idx]=min(s[2*idx],s[2*idx+1]);
    }
}

ll query(int l, int r, int idx, int x, int y) {
    push(l,r,idx);
    if (x>r || y<l) return LLONG_MAX;
    if (x<=l && r<=y) return s[idx];
    int mid=(l+r)/2;
    return min(query(l,mid,2*idx,x,y),query(mid+1,r,2*idx+1,x,y));
}

ll seg[1<<20]; //sum of people

void update2(int l, int r, int idx, int x, ll val) {
    if (x>r || x<l) return;
    if (l==r) seg[idx]=val;
    else {
        int mid=(l+r)/2;
        update2(l,mid,2*idx,x,val);
        update2(mid+1,r,2*idx+1,x,val);
        seg[idx]=seg[2*idx]+seg[2*idx+1];
    }
}

int query2(int l, int r, int idx, ll want) {
    if (l==r) return l;
    int mid=(l+r)/2;
    if (seg[2*idx]>=want) return query2(l,mid,2*idx,want);
    else return query2(mid+1,r,2*idx+1,want-seg[2*idx]);
}

int f(ll want, int d) {
    if (seg[1]<want) return 0;
    int h=query2(1,q,1,want);
    if (h<=d) return h;
    else return 0;
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    memset(ans,-1,sizeof(ans));
    memset(base,-1,sizeof(base));
    base[0]=0;

    cin>>n>>m>>q;
    for (int i=1; i<=q; ++i) {
        int mode; cin>>mode;
        if (mode==1) {
            int l,r,c,k; cin>>l>>r>>c>>k;
            p[l].push_back({k,i,c});
            p[r+1].push_back({-k,i,c});
        } else if (mode==2) {
            int l,r,k; cin>>l>>r>>k;
            qu[l].push_back(pii(k,i));
            qu[r+1].push_back(pii(-k,i));
        } else {
            int a,b; cin>>a>>b;
            want[a].push_back(pii(b,i));
        }
    }

    for (int i=1; i<=n; ++i) {
        //add people
        for (auto s : p[i]) {
            update(1,q,1,s.idx,q,s.val);
            upd(s.idx,s.val);
            if (s.val>0) base[s.idx]=s.gr, update2(1,q,1,s.idx,s.val);
            else base[s.idx]=-1, update2(1,q,1,s.idx,0);
        }
        
        //add bound of queue
        for (auto s : qu[i]) update(1,q,1,s.second,q,-s.first);

        //find real queue
        for (auto s : want[i]) {
            ll want=s.first+(find(s.second)-(query(1,q,1,s.second,s.second)-min(0ll,query(1,q,1,1,s.second))));
            ans[s.second]=base[f(want,s.second)];
        }
    }

    for (int i=1; i<=q; ++i) {
        if (ans[i]!=-1) cout<<ans[i]<<"\n";
    }
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 20056 KB Output is correct
2 Correct 13 ms 20044 KB Output is correct
3 Correct 13 ms 20048 KB Output is correct
4 Correct 13 ms 20048 KB Output is correct
5 Correct 11 ms 20052 KB Output is correct
6 Correct 10 ms 20100 KB Output is correct
7 Correct 11 ms 20136 KB Output is correct
8 Correct 12 ms 20084 KB Output is correct
9 Correct 11 ms 20052 KB Output is correct
10 Correct 12 ms 20052 KB Output is correct
11 Correct 11 ms 20164 KB Output is correct
12 Correct 12 ms 20044 KB Output is correct
13 Correct 10 ms 20052 KB Output is correct
14 Correct 11 ms 20100 KB Output is correct
15 Correct 10 ms 20044 KB Output is correct
16 Correct 12 ms 20100 KB Output is correct
17 Correct 12 ms 20052 KB Output is correct
18 Correct 12 ms 20048 KB Output is correct
19 Correct 13 ms 20052 KB Output is correct
20 Correct 12 ms 20052 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 20056 KB Output is correct
2 Correct 13 ms 20044 KB Output is correct
3 Correct 13 ms 20048 KB Output is correct
4 Correct 13 ms 20048 KB Output is correct
5 Correct 11 ms 20052 KB Output is correct
6 Correct 10 ms 20100 KB Output is correct
7 Correct 11 ms 20136 KB Output is correct
8 Correct 12 ms 20084 KB Output is correct
9 Correct 11 ms 20052 KB Output is correct
10 Correct 12 ms 20052 KB Output is correct
11 Correct 11 ms 20164 KB Output is correct
12 Correct 12 ms 20044 KB Output is correct
13 Correct 10 ms 20052 KB Output is correct
14 Correct 11 ms 20100 KB Output is correct
15 Correct 10 ms 20044 KB Output is correct
16 Correct 12 ms 20100 KB Output is correct
17 Correct 12 ms 20052 KB Output is correct
18 Correct 12 ms 20048 KB Output is correct
19 Correct 13 ms 20052 KB Output is correct
20 Correct 12 ms 20052 KB Output is correct
21 Incorrect 10 ms 20032 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 27560 KB Output is correct
2 Correct 92 ms 27596 KB Output is correct
3 Correct 82 ms 27572 KB Output is correct
4 Correct 82 ms 27604 KB Output is correct
5 Correct 84 ms 27596 KB Output is correct
6 Correct 109 ms 27592 KB Output is correct
7 Correct 45 ms 26056 KB Output is correct
8 Correct 48 ms 25844 KB Output is correct
9 Correct 79 ms 27176 KB Output is correct
10 Correct 101 ms 27724 KB Output is correct
11 Correct 102 ms 27528 KB Output is correct
12 Correct 80 ms 27728 KB Output is correct
13 Correct 75 ms 26744 KB Output is correct
14 Correct 89 ms 27272 KB Output is correct
15 Correct 90 ms 27216 KB Output is correct
16 Correct 102 ms 27340 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 123 ms 32384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 20056 KB Output is correct
2 Correct 13 ms 20044 KB Output is correct
3 Correct 13 ms 20048 KB Output is correct
4 Correct 13 ms 20048 KB Output is correct
5 Correct 11 ms 20052 KB Output is correct
6 Correct 10 ms 20100 KB Output is correct
7 Correct 11 ms 20136 KB Output is correct
8 Correct 12 ms 20084 KB Output is correct
9 Correct 11 ms 20052 KB Output is correct
10 Correct 12 ms 20052 KB Output is correct
11 Correct 11 ms 20164 KB Output is correct
12 Correct 12 ms 20044 KB Output is correct
13 Correct 10 ms 20052 KB Output is correct
14 Correct 11 ms 20100 KB Output is correct
15 Correct 10 ms 20044 KB Output is correct
16 Correct 12 ms 20100 KB Output is correct
17 Correct 12 ms 20052 KB Output is correct
18 Correct 12 ms 20048 KB Output is correct
19 Correct 13 ms 20052 KB Output is correct
20 Correct 12 ms 20052 KB Output is correct
21 Correct 80 ms 27560 KB Output is correct
22 Correct 92 ms 27596 KB Output is correct
23 Correct 82 ms 27572 KB Output is correct
24 Correct 82 ms 27604 KB Output is correct
25 Correct 84 ms 27596 KB Output is correct
26 Correct 109 ms 27592 KB Output is correct
27 Correct 45 ms 26056 KB Output is correct
28 Correct 48 ms 25844 KB Output is correct
29 Correct 79 ms 27176 KB Output is correct
30 Correct 101 ms 27724 KB Output is correct
31 Correct 102 ms 27528 KB Output is correct
32 Correct 80 ms 27728 KB Output is correct
33 Correct 75 ms 26744 KB Output is correct
34 Correct 89 ms 27272 KB Output is correct
35 Correct 90 ms 27216 KB Output is correct
36 Correct 102 ms 27340 KB Output is correct
37 Correct 79 ms 26944 KB Output is correct
38 Correct 73 ms 26572 KB Output is correct
39 Correct 39 ms 25460 KB Output is correct
40 Correct 52 ms 25964 KB Output is correct
41 Correct 84 ms 26804 KB Output is correct
42 Correct 80 ms 27596 KB Output is correct
43 Correct 83 ms 27504 KB Output is correct
44 Correct 79 ms 27164 KB Output is correct
45 Correct 86 ms 27596 KB Output is correct
46 Correct 85 ms 27508 KB Output is correct
47 Correct 54 ms 26216 KB Output is correct
48 Correct 74 ms 27196 KB Output is correct
49 Correct 63 ms 26216 KB Output is correct
50 Correct 75 ms 26920 KB Output is correct
51 Correct 82 ms 27608 KB Output is correct
52 Correct 86 ms 27568 KB Output is correct
53 Correct 94 ms 26364 KB Output is correct
54 Correct 91 ms 27340 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 38 ms 23384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 20056 KB Output is correct
2 Correct 13 ms 20044 KB Output is correct
3 Correct 13 ms 20048 KB Output is correct
4 Correct 13 ms 20048 KB Output is correct
5 Correct 11 ms 20052 KB Output is correct
6 Correct 10 ms 20100 KB Output is correct
7 Correct 11 ms 20136 KB Output is correct
8 Correct 12 ms 20084 KB Output is correct
9 Correct 11 ms 20052 KB Output is correct
10 Correct 12 ms 20052 KB Output is correct
11 Correct 11 ms 20164 KB Output is correct
12 Correct 12 ms 20044 KB Output is correct
13 Correct 10 ms 20052 KB Output is correct
14 Correct 11 ms 20100 KB Output is correct
15 Correct 10 ms 20044 KB Output is correct
16 Correct 12 ms 20100 KB Output is correct
17 Correct 12 ms 20052 KB Output is correct
18 Correct 12 ms 20048 KB Output is correct
19 Correct 13 ms 20052 KB Output is correct
20 Correct 12 ms 20052 KB Output is correct
21 Incorrect 10 ms 20032 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 20056 KB Output is correct
2 Correct 13 ms 20044 KB Output is correct
3 Correct 13 ms 20048 KB Output is correct
4 Correct 13 ms 20048 KB Output is correct
5 Correct 11 ms 20052 KB Output is correct
6 Correct 10 ms 20100 KB Output is correct
7 Correct 11 ms 20136 KB Output is correct
8 Correct 12 ms 20084 KB Output is correct
9 Correct 11 ms 20052 KB Output is correct
10 Correct 12 ms 20052 KB Output is correct
11 Correct 11 ms 20164 KB Output is correct
12 Correct 12 ms 20044 KB Output is correct
13 Correct 10 ms 20052 KB Output is correct
14 Correct 11 ms 20100 KB Output is correct
15 Correct 10 ms 20044 KB Output is correct
16 Correct 12 ms 20100 KB Output is correct
17 Correct 12 ms 20052 KB Output is correct
18 Correct 12 ms 20048 KB Output is correct
19 Correct 13 ms 20052 KB Output is correct
20 Correct 12 ms 20052 KB Output is correct
21 Incorrect 10 ms 20032 KB Output isn't correct
22 Halted 0 ms 0 KB -