oj.uz

Submission #159488

# Submission time Handle Problem Language Result Execution time Memory
159488 2019-10-23T00:46:03 Z arnold518 New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 458052 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 3e5;
const int MAXVAL = 1e8;

struct Query
{
    int t, x, k, p;
    bool operator < (const Query &p)
    {
        if(t!=p.t) return t<p.t;
        return k>p.k;
    }
};

int N, K, Q, ans[MAXN+10], SZ, chk;
vector<Query> query;
multiset<int> S[MAXN+10];
set<int> scomp;
vector<int> comp;

int getcomp(int x)
{
    //for(auto it : comp) printf("%d ", it); printf("-> %d\n", x);
    //assert(binary_search(comp.begin(), comp.end(), x));
    return lower_bound(comp.begin(), comp.end(), x)-comp.begin();
}

priority_queue<int, vector<int>, less<int>> tree1[5*MAXN+10];
priority_queue<int, vector<int>, less<int>> dead1[5*MAXN+10];

priority_queue<int, vector<int>, greater<int>> tree2[5*MAXN+10];
priority_queue<int, vector<int>, greater<int>> dead2[5*MAXN+10];

ll query1(int x)
{
    int y=x;
    x=getcomp(x);
    int ret=0;
    for(; x>0; x-=(x&-x))
    {
        while(!tree1[x].empty() && !dead1[x].empty() && tree1[x].top()==dead1[x].top()) tree1[x].pop(), dead1[x].pop();
        if(!tree1[x].empty())
        {
            ////printf("QUERY1 %d %d\n", x, tree1[x].top()-y);
            ret=max(ret, tree1[x].top()-y);
        }
    }
    return ret;
}

void erase1(int x, int y)
{
    ////printf("ERASE1 %d %d\n", x, y);
    x=getcomp(x);
    for(; x<=SZ; x+=(x&-x))
    {
        dead1[x].push(y);
    }
}

void insert1(int x, int y)
{
    //printf("INSERT1 %d %d\n", x, y);
    x=getcomp(x);
    for(; x<=SZ; x+=(x&-x))
    {
        tree1[x].push(y);
    }
}

ll query2(int x)
{
    int y=x;
    x=getcomp(x);
    x=SZ-x+1;
    int ret=0;
    for(; x>0; x-=(x&-x))
    {
        while(!tree2[x].empty() && !dead2[x].empty() && tree2[x].top()==dead2[x].top()) tree2[x].pop(), dead2[x].pop();
        if(!tree2[x].empty())
        {
            ////printf("QUERY1 %d %d\n", x, y-tree2[x].top());
            ret=max(ret, y-tree2[x].top());
        }
    }
    return ret;
}

void erase2(int x, int y)
{
    swap(x, y);
    ////printf("ERASE2 %d %d\n", x, y);
    x=getcomp(x);
    x=SZ-x+1;
    for(; x<=SZ; x+=(x&-x))
    {
        dead2[x].push(y);
    }
}

void insert2(int x, int y)
{
    //printf("INSERT2 %d %d\n", x, y);
    swap(x, y);
    x=getcomp(x);
    x=SZ-x+1;
    for(; x<=SZ; x+=(x&-x))
    {
        tree2[x].push(y);
    }
}

int main()
{
    int i, j;

    scanf("%d%d%d", &N, &K, &Q);
    for(i=1; i<=N; i++)
    {
        int x, t, a, b;
        scanf("%d%d%d%d", &x, &t, &a, &b); b++; x*=2;
        query.push_back({a, x, t, 1});
        query.push_back({b, x, t, -1});
        scomp.insert(x);
    }
    for(i=1; i<=Q; i++)
    {
        int l, x;
        scanf("%d%d", &x, &l); x*=2;
        query.push_back({l, x, -i, 0});
        scomp.insert(x);
    }
    sort(query.begin(), query.end());

    scomp.insert(0); scomp.insert(2e8);
    for(auto now : query)
    {
        int x=now.x;
        if(now.p==1)
        {
            if(S[now.k].find(x)==S[now.k].end())
            {
                if(S[now.k].size()!=0)
                {
                    auto it=S[now.k].lower_bound(x);
                    int r=*it, l=*prev(it);
                    if(it==S[now.k].end()) scomp.insert(l+x>>1);
                    else if(it==S[now.k].begin()) scomp.insert(r+x>>1);
                    else
                    {
                        scomp.insert(l+x>>1);
                        scomp.insert(r+x>>1);
                    }
                }
            }
            S[now.k].insert(x);
        }
        else if(now.p==-1)
        {
            S[now.k].erase(x);
            if(S[now.k].find(x)==S[now.k].end())
            {
                if(S[now.k].size()!=0)
                {
                    auto it=S[now.k].lower_bound(x);
                    int r=*it, l=*prev(it);
                    if(it==S[now.k].end());
                    else if(it==S[now.k].begin());
                    else scomp.insert(l+r>>1);
                }
            }
        }
    }

    comp.push_back(-1);
    for(auto it : scomp) comp.push_back(it);
    SZ=comp.size()-1;

    for(i=1; i<=K; i++) S[i].clear();

    for(auto now : query)
    {
        //printf("===============\n");
        int x=now.x;
        if(now.p==0)
        {
            if(chk!=K) ans[-now.k]=-1;
            else ans[-now.k]=max(query1(x), query2(x))>>1;
            //printf("!%d %d %d\n", -now.k, query1(x), query2(x));
        }
        else if(now.p==1)
        {
            if(S[now.k].find(now.x)==S[now.k].end())
            {
                if(S[now.k].size()==0)
                {
                    insert1(0, x);
                    insert2(x, 2e8);
                    chk++;
                }
                else
                {
                    auto it=S[now.k].lower_bound(x);
                    int r=*it, l=*prev(it);
                    if(it==S[now.k].end())
                    {
                        erase2(l, 2e8);
                        insert2(l, l+x>>1);
                        insert1(l+x>>1, x);
                        insert2(x, 2e8);
                    }
                    else if(it==S[now.k].begin())
                    {
                        erase1(0, r);
                        insert1(0, x);
                        insert2(x, r+x>>1);
                        insert1(r+x>>1, r);
                    }
                    else
                    {
                        erase2(l, l+r>>1);
                        erase1(l+r>>1, r);
                        insert2(l, l+x>>1);
                        insert1(l+x>>1, x);
                        insert2(x, x+r>>1);
                        insert1(x+r>>1, r);
                    }
                }
            }
            S[now.k].insert(now.x);
        }
        else if(now.p==-1)
        {
            S[now.k].erase(S[now.k].find(now.x));
            if(S[now.k].find(now.x)==S[now.k].end())
            {
                if(S[now.k].size()==0)
                {
                    erase1(0, x);
                    erase2(x, 2e8);
                    chk--;
                }
                else
                {
                    auto it=S[now.k].lower_bound(x);
                    int r=*it, l=*prev(it);
                    if(it==S[now.k].end())
                    {
                        insert2(l, 2e8);
                        erase2(l, l+x>>1);
                        erase1(l+x>>1, x);
                        erase2(x, 2e8);
                    }
                    else if(it==S[now.k].begin())
                    {
                        insert1(0, r);
                        erase1(0, x);
                        erase2(x, r+x>>1);
                        erase1(r+x>>1, r);
                    }
                    else
                    {
                        insert2(l, l+r>>1);
                        insert1(l+r>>1, r);
                        erase2(l, l+x>>1);
                        erase1(l+x>>1, x);
                        erase2(x, x+r>>1);
                        erase1(x+r>>1, r);
                    }
                }
            }
        }
    }
    for(i=1; i<=Q; i++) printf("%d\n", ans[i]);
}

Compilation message

new_home.cpp: In function 'int main()':
new_home.cpp:153:58: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                     if(it==S[now.k].end()) scomp.insert(l+x>>1);
                                                         ~^~
new_home.cpp:154:65: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                     else if(it==S[now.k].begin()) scomp.insert(r+x>>1);
                                                                ~^~
new_home.cpp:157:39: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         scomp.insert(l+x>>1);
                                      ~^~
new_home.cpp:158:39: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         scomp.insert(r+x>>1);
                                      ~^~
new_home.cpp:175:40: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                     else scomp.insert(l+r>>1);
                                       ~^~
new_home.cpp:214:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(l, l+x>>1);
                                    ~^~
new_home.cpp:215:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(l+x>>1, x);
                                 ~^~
new_home.cpp:222:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(x, r+x>>1);
                                    ~^~
new_home.cpp:223:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(r+x>>1, r);
                                 ~^~
new_home.cpp:227:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(l, l+r>>1);
                                   ~^~
new_home.cpp:228:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(l+r>>1, r);
                                ~^~
new_home.cpp:229:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(l, l+x>>1);
                                    ~^~
new_home.cpp:230:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(l+x>>1, x);
                                 ~^~
new_home.cpp:231:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(x, x+r>>1);
                                    ~^~
new_home.cpp:232:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(x+r>>1, r);
                                 ~^~
new_home.cpp:256:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(l, l+x>>1);
                                   ~^~
new_home.cpp:257:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(l+x>>1, x);
                                ~^~
new_home.cpp:264:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(x, r+x>>1);
                                   ~^~
new_home.cpp:265:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(r+x>>1, r);
                                ~^~
new_home.cpp:269:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(l, l+r>>1);
                                    ~^~
new_home.cpp:270:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(l+r>>1, r);
                                 ~^~
new_home.cpp:271:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(l, l+x>>1);
                                   ~^~
new_home.cpp:272:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(l+x>>1, x);
                                ~^~
new_home.cpp:273:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(x, x+r>>1);
                                   ~^~
new_home.cpp:274:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(x+r>>1, r);
                                ~^~
new_home.cpp:121:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
new_home.cpp:123:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &N, &K, &Q);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:127:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d%d", &x, &t, &a, &b); b++; x*=2;
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:135:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &x, &l); x*=2;
         ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 183 ms 202360 KB Output is correct
2 Correct 183 ms 202244 KB Output is correct
3 Correct 179 ms 202260 KB Output is correct
4 Correct 181 ms 202360 KB Output is correct
5 Correct 183 ms 202352 KB Output is correct
6 Correct 186 ms 202716 KB Output is correct
7 Correct 181 ms 202460 KB Output is correct
8 Correct 186 ms 202592 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 186 ms 202776 KB Output is correct
11 Correct 185 ms 202620 KB Output is correct
12 Correct 186 ms 202804 KB Output is correct
13 Correct 182 ms 202472 KB Output is correct
14 Correct 184 ms 202584 KB Output is correct
15 Correct 184 ms 202616 KB Output is correct
16 Correct 184 ms 202520 KB Output is correct
17 Correct 184 ms 202616 KB Output is correct
18 Correct 193 ms 202744 KB Output is correct
19 Correct 215 ms 202488 KB Output is correct
20 Correct 185 ms 202616 KB Output is correct
21 Correct 184 ms 202360 KB Output is correct
22 Correct 186 ms 202552 KB Output is correct
23 Correct 184 ms 202604 KB Output is correct
24 Correct 183 ms 202488 KB Output is correct
25 Correct 184 ms 202544 KB Output is correct
26 Correct 183 ms 202624 KB Output is correct
27 Correct 184 ms 202452 KB Output is correct
28 Correct 192 ms 202524 KB Output is correct
29 Correct 187 ms 202500 KB Output is correct
30 Correct 187 ms 202492 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 183 ms 202360 KB Output is correct
2 Correct 183 ms 202244 KB Output is correct
3 Correct 179 ms 202260 KB Output is correct
4 Correct 181 ms 202360 KB Output is correct
5 Correct 183 ms 202352 KB Output is correct
6 Correct 186 ms 202716 KB Output is correct
7 Correct 181 ms 202460 KB Output is correct
8 Correct 186 ms 202592 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 186 ms 202776 KB Output is correct
11 Correct 185 ms 202620 KB Output is correct
12 Correct 186 ms 202804 KB Output is correct
13 Correct 182 ms 202472 KB Output is correct
14 Correct 184 ms 202584 KB Output is correct
15 Correct 184 ms 202616 KB Output is correct
16 Correct 184 ms 202520 KB Output is correct
17 Correct 184 ms 202616 KB Output is correct
18 Correct 193 ms 202744 KB Output is correct
19 Correct 215 ms 202488 KB Output is correct
20 Correct 185 ms 202616 KB Output is correct
21 Correct 184 ms 202360 KB Output is correct
22 Correct 186 ms 202552 KB Output is correct
23 Correct 184 ms 202604 KB Output is correct
24 Correct 183 ms 202488 KB Output is correct
25 Correct 184 ms 202544 KB Output is correct
26 Correct 183 ms 202624 KB Output is correct
27 Correct 184 ms 202452 KB Output is correct
28 Correct 192 ms 202524 KB Output is correct
29 Correct 187 ms 202500 KB Output is correct
30 Correct 187 ms 202492 KB Output is correct
31 Correct 1794 ms 272804 KB Output is correct
32 Correct 289 ms 206684 KB Output is correct
33 Correct 1794 ms 273968 KB Output is correct
34 Correct 1694 ms 271136 KB Output is correct
35 Correct 1837 ms 274180 KB Output is correct
36 Correct 1859 ms 275976 KB Output is correct
37 Correct 1417 ms 272040 KB Output is correct
38 Correct 1407 ms 276204 KB Output is correct
39 Correct 1164 ms 274368 KB Output is correct
40 Correct 1224 ms 275332 KB Output is correct
41 Correct 1128 ms 253692 KB Output is correct
42 Correct 1051 ms 255116 KB Output is correct
43 Correct 258 ms 211036 KB Output is correct
44 Correct 1143 ms 253244 KB Output is correct
45 Correct 1223 ms 250428 KB Output is correct
46 Correct 1283 ms 242836 KB Output is correct
47 Correct 821 ms 251996 KB Output is correct
48 Correct 818 ms 253252 KB Output is correct
49 Correct 905 ms 254228 KB Output is correct
50 Correct 909 ms 254620 KB Output is correct
51 Correct 943 ms 252428 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5092 ms 458052 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5044 ms 431940 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 183 ms 202360 KB Output is correct
2 Correct 183 ms 202244 KB Output is correct
3 Correct 179 ms 202260 KB Output is correct
4 Correct 181 ms 202360 KB Output is correct
5 Correct 183 ms 202352 KB Output is correct
6 Correct 186 ms 202716 KB Output is correct
7 Correct 181 ms 202460 KB Output is correct
8 Correct 186 ms 202592 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 186 ms 202776 KB Output is correct
11 Correct 185 ms 202620 KB Output is correct
12 Correct 186 ms 202804 KB Output is correct
13 Correct 182 ms 202472 KB Output is correct
14 Correct 184 ms 202584 KB Output is correct
15 Correct 184 ms 202616 KB Output is correct
16 Correct 184 ms 202520 KB Output is correct
17 Correct 184 ms 202616 KB Output is correct
18 Correct 193 ms 202744 KB Output is correct
19 Correct 215 ms 202488 KB Output is correct
20 Correct 185 ms 202616 KB Output is correct
21 Correct 184 ms 202360 KB Output is correct
22 Correct 186 ms 202552 KB Output is correct
23 Correct 184 ms 202604 KB Output is correct
24 Correct 183 ms 202488 KB Output is correct
25 Correct 184 ms 202544 KB Output is correct
26 Correct 183 ms 202624 KB Output is correct
27 Correct 184 ms 202452 KB Output is correct
28 Correct 192 ms 202524 KB Output is correct
29 Correct 187 ms 202500 KB Output is correct
30 Correct 187 ms 202492 KB Output is correct
31 Correct 1794 ms 272804 KB Output is correct
32 Correct 289 ms 206684 KB Output is correct
33 Correct 1794 ms 273968 KB Output is correct
34 Correct 1694 ms 271136 KB Output is correct
35 Correct 1837 ms 274180 KB Output is correct
36 Correct 1859 ms 275976 KB Output is correct
37 Correct 1417 ms 272040 KB Output is correct
38 Correct 1407 ms 276204 KB Output is correct
39 Correct 1164 ms 274368 KB Output is correct
40 Correct 1224 ms 275332 KB Output is correct
41 Correct 1128 ms 253692 KB Output is correct
42 Correct 1051 ms 255116 KB Output is correct
43 Correct 258 ms 211036 KB Output is correct
44 Correct 1143 ms 253244 KB Output is correct
45 Correct 1223 ms 250428 KB Output is correct
46 Correct 1283 ms 242836 KB Output is correct
47 Correct 821 ms 251996 KB Output is correct
48 Correct 818 ms 253252 KB Output is correct
49 Correct 905 ms 254228 KB Output is correct
50 Correct 909 ms 254620 KB Output is correct
51 Correct 943 ms 252428 KB Output is correct
52 Correct 480 ms 234868 KB Output is correct
53 Correct 478 ms 233480 KB Output is correct
54 Correct 933 ms 254752 KB Output is correct
55 Correct 914 ms 249680 KB Output is correct
56 Correct 832 ms 246964 KB Output is correct
57 Correct 1088 ms 251676 KB Output is correct
58 Correct 898 ms 249360 KB Output is correct
59 Correct 799 ms 246748 KB Output is correct
60 Correct 1028 ms 252272 KB Output is correct
61 Correct 261 ms 212228 KB Output is correct
62 Correct 494 ms 235100 KB Output is correct
63 Correct 769 ms 248780 KB Output is correct
64 Correct 953 ms 252260 KB Output is correct
65 Correct 1044 ms 255976 KB Output is correct
66 Correct 1141 ms 254688 KB Output is correct
67 Correct 387 ms 219228 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 183 ms 202360 KB Output is correct
2 Correct 183 ms 202244 KB Output is correct
3 Correct 179 ms 202260 KB Output is correct
4 Correct 181 ms 202360 KB Output is correct
5 Correct 183 ms 202352 KB Output is correct
6 Correct 186 ms 202716 KB Output is correct
7 Correct 181 ms 202460 KB Output is correct
8 Correct 186 ms 202592 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 186 ms 202776 KB Output is correct
11 Correct 185 ms 202620 KB Output is correct
12 Correct 186 ms 202804 KB Output is correct
13 Correct 182 ms 202472 KB Output is correct
14 Correct 184 ms 202584 KB Output is correct
15 Correct 184 ms 202616 KB Output is correct
16 Correct 184 ms 202520 KB Output is correct
17 Correct 184 ms 202616 KB Output is correct
18 Correct 193 ms 202744 KB Output is correct
19 Correct 215 ms 202488 KB Output is correct
20 Correct 185 ms 202616 KB Output is correct
21 Correct 184 ms 202360 KB Output is correct
22 Correct 186 ms 202552 KB Output is correct
23 Correct 184 ms 202604 KB Output is correct
24 Correct 183 ms 202488 KB Output is correct
25 Correct 184 ms 202544 KB Output is correct
26 Correct 183 ms 202624 KB Output is correct
27 Correct 184 ms 202452 KB Output is correct
28 Correct 192 ms 202524 KB Output is correct
29 Correct 187 ms 202500 KB Output is correct
30 Correct 187 ms 202492 KB Output is correct
31 Correct 1794 ms 272804 KB Output is correct
32 Correct 289 ms 206684 KB Output is correct
33 Correct 1794 ms 273968 KB Output is correct
34 Correct 1694 ms 271136 KB Output is correct
35 Correct 1837 ms 274180 KB Output is correct
36 Correct 1859 ms 275976 KB Output is correct
37 Correct 1417 ms 272040 KB Output is correct
38 Correct 1407 ms 276204 KB Output is correct
39 Correct 1164 ms 274368 KB Output is correct
40 Correct 1224 ms 275332 KB Output is correct
41 Correct 1128 ms 253692 KB Output is correct
42 Correct 1051 ms 255116 KB Output is correct
43 Correct 258 ms 211036 KB Output is correct
44 Correct 1143 ms 253244 KB Output is correct
45 Correct 1223 ms 250428 KB Output is correct
46 Correct 1283 ms 242836 KB Output is correct
47 Correct 821 ms 251996 KB Output is correct
48 Correct 818 ms 253252 KB Output is correct
49 Correct 905 ms 254228 KB Output is correct
50 Correct 909 ms 254620 KB Output is correct
51 Correct 943 ms 252428 KB Output is correct
52 Execution timed out 5092 ms 458052 KB Time limit exceeded
53 Halted 0 ms 0 KB -