oj.uz

Submission #159494

# Submission time Handle Problem Language Result Execution time Memory
159494 2019-10-23T00:55:00 Z arnold518 New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 451460 KB 
#include <bits/stdc++.h>
#pragma gcc optimize "03"
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(S[now.k].find(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=scomp.size();

    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]);
        if(i==Q) exit(0);
    }
}

Compilation message

new_home.cpp:2:0: warning: ignoring #pragma gcc optimize [-Wunknown-pragmas]
 #pragma gcc optimize "03"
 
new_home.cpp: In function 'int main()':
new_home.cpp:154:58: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                     if(it==S[now.k].end()) scomp.insert(l+x>>1);
                                                         ~^~
new_home.cpp:155:65: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                     else if(it==S[now.k].begin()) scomp.insert(r+x>>1);
                                                                ~^~
new_home.cpp:158:39: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         scomp.insert(l+x>>1);
                                      ~^~
new_home.cpp:159:39: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         scomp.insert(r+x>>1);
                                      ~^~
new_home.cpp:176:40: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                     else scomp.insert(l+r>>1);
                                       ~^~
new_home.cpp:215:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(l, l+x>>1);
                                    ~^~
new_home.cpp:216:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(l+x>>1, x);
                                 ~^~
new_home.cpp:223:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(x, r+x>>1);
                                    ~^~
new_home.cpp:224:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(r+x>>1, r);
                                 ~^~
new_home.cpp:228:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(l, l+r>>1);
                                   ~^~
new_home.cpp:229:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(l+r>>1, r);
                                ~^~
new_home.cpp:230:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(l, l+x>>1);
                                    ~^~
new_home.cpp:231:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(l+x>>1, x);
                                 ~^~
new_home.cpp:232:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(x, x+r>>1);
                                    ~^~
new_home.cpp:233:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(x+r>>1, r);
                                 ~^~
new_home.cpp:257:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(l, l+x>>1);
                                   ~^~
new_home.cpp:258:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(l+x>>1, x);
                                ~^~
new_home.cpp:265:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(x, r+x>>1);
                                   ~^~
new_home.cpp:266:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(r+x>>1, r);
                                ~^~
new_home.cpp:270:37: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert2(l, l+r>>1);
                                    ~^~
new_home.cpp:271:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         insert1(l+r>>1, r);
                                 ~^~
new_home.cpp:272:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(l, l+x>>1);
                                   ~^~
new_home.cpp:273:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(l+x>>1, x);
                                ~^~
new_home.cpp:274:36: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase2(x, x+r>>1);
                                   ~^~
new_home.cpp:275:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
                         erase1(x+r>>1, r);
                                ~^~
new_home.cpp:122:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
new_home.cpp:124:10: 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:128:14: 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:136:14: 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 205 ms 202360 KB Output is correct
2 Correct 183 ms 202232 KB Output is correct
3 Correct 183 ms 202360 KB Output is correct
4 Correct 183 ms 202360 KB Output is correct
5 Correct 184 ms 202360 KB Output is correct
6 Correct 189 ms 202616 KB Output is correct
7 Correct 185 ms 202492 KB Output is correct
8 Correct 184 ms 202616 KB Output is correct
9 Correct 185 ms 202468 KB Output is correct
10 Correct 186 ms 202588 KB Output is correct
11 Correct 184 ms 202616 KB Output is correct
12 Correct 187 ms 202604 KB Output is correct
13 Correct 184 ms 202536 KB Output is correct
14 Correct 188 ms 202488 KB Output is correct
15 Correct 194 ms 202636 KB Output is correct
16 Correct 185 ms 202488 KB Output is correct
17 Correct 188 ms 202616 KB Output is correct
18 Correct 216 ms 202504 KB Output is correct
19 Correct 216 ms 202488 KB Output is correct
20 Correct 202 ms 202556 KB Output is correct
21 Correct 212 ms 202360 KB Output is correct
22 Correct 200 ms 202468 KB Output is correct
23 Correct 216 ms 202540 KB Output is correct
24 Correct 199 ms 202488 KB Output is correct
25 Correct 188 ms 202616 KB Output is correct
26 Correct 216 ms 202616 KB Output is correct
27 Correct 185 ms 202556 KB Output is correct
28 Correct 187 ms 202616 KB Output is correct
29 Correct 185 ms 202616 KB Output is correct
30 Correct 187 ms 202488 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 205 ms 202360 KB Output is correct
2 Correct 183 ms 202232 KB Output is correct
3 Correct 183 ms 202360 KB Output is correct
4 Correct 183 ms 202360 KB Output is correct
5 Correct 184 ms 202360 KB Output is correct
6 Correct 189 ms 202616 KB Output is correct
7 Correct 185 ms 202492 KB Output is correct
8 Correct 184 ms 202616 KB Output is correct
9 Correct 185 ms 202468 KB Output is correct
10 Correct 186 ms 202588 KB Output is correct
11 Correct 184 ms 202616 KB Output is correct
12 Correct 187 ms 202604 KB Output is correct
13 Correct 184 ms 202536 KB Output is correct
14 Correct 188 ms 202488 KB Output is correct
15 Correct 194 ms 202636 KB Output is correct
16 Correct 185 ms 202488 KB Output is correct
17 Correct 188 ms 202616 KB Output is correct
18 Correct 216 ms 202504 KB Output is correct
19 Correct 216 ms 202488 KB Output is correct
20 Correct 202 ms 202556 KB Output is correct
21 Correct 212 ms 202360 KB Output is correct
22 Correct 200 ms 202468 KB Output is correct
23 Correct 216 ms 202540 KB Output is correct
24 Correct 199 ms 202488 KB Output is correct
25 Correct 188 ms 202616 KB Output is correct
26 Correct 216 ms 202616 KB Output is correct
27 Correct 185 ms 202556 KB Output is correct
28 Correct 187 ms 202616 KB Output is correct
29 Correct 185 ms 202616 KB Output is correct
30 Correct 187 ms 202488 KB Output is correct
31 Correct 1909 ms 272972 KB Output is correct
32 Correct 293 ms 206688 KB Output is correct
33 Correct 1851 ms 274012 KB Output is correct
34 Correct 1768 ms 270936 KB Output is correct
35 Correct 1852 ms 274364 KB Output is correct
36 Correct 1875 ms 276116 KB Output is correct
37 Correct 1498 ms 272092 KB Output is correct
38 Correct 1625 ms 273404 KB Output is correct
39 Correct 1228 ms 271448 KB Output is correct
40 Correct 1255 ms 272500 KB Output is correct
41 Correct 1221 ms 250688 KB Output is correct
42 Correct 1142 ms 252096 KB Output is correct
43 Correct 260 ms 208728 KB Output is correct
44 Correct 1181 ms 250412 KB Output is correct
45 Correct 1208 ms 247424 KB Output is correct
46 Correct 1297 ms 240068 KB Output is correct
47 Correct 797 ms 249308 KB Output is correct
48 Correct 842 ms 250428 KB Output is correct
49 Correct 919 ms 251160 KB Output is correct
50 Correct 948 ms 251588 KB Output is correct
51 Correct 975 ms 249716 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5031 ms 451460 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 5100 ms 435604 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 205 ms 202360 KB Output is correct
2 Correct 183 ms 202232 KB Output is correct
3 Correct 183 ms 202360 KB Output is correct
4 Correct 183 ms 202360 KB Output is correct
5 Correct 184 ms 202360 KB Output is correct
6 Correct 189 ms 202616 KB Output is correct
7 Correct 185 ms 202492 KB Output is correct
8 Correct 184 ms 202616 KB Output is correct
9 Correct 185 ms 202468 KB Output is correct
10 Correct 186 ms 202588 KB Output is correct
11 Correct 184 ms 202616 KB Output is correct
12 Correct 187 ms 202604 KB Output is correct
13 Correct 184 ms 202536 KB Output is correct
14 Correct 188 ms 202488 KB Output is correct
15 Correct 194 ms 202636 KB Output is correct
16 Correct 185 ms 202488 KB Output is correct
17 Correct 188 ms 202616 KB Output is correct
18 Correct 216 ms 202504 KB Output is correct
19 Correct 216 ms 202488 KB Output is correct
20 Correct 202 ms 202556 KB Output is correct
21 Correct 212 ms 202360 KB Output is correct
22 Correct 200 ms 202468 KB Output is correct
23 Correct 216 ms 202540 KB Output is correct
24 Correct 199 ms 202488 KB Output is correct
25 Correct 188 ms 202616 KB Output is correct
26 Correct 216 ms 202616 KB Output is correct
27 Correct 185 ms 202556 KB Output is correct
28 Correct 187 ms 202616 KB Output is correct
29 Correct 185 ms 202616 KB Output is correct
30 Correct 187 ms 202488 KB Output is correct
31 Correct 1909 ms 272972 KB Output is correct
32 Correct 293 ms 206688 KB Output is correct
33 Correct 1851 ms 274012 KB Output is correct
34 Correct 1768 ms 270936 KB Output is correct
35 Correct 1852 ms 274364 KB Output is correct
36 Correct 1875 ms 276116 KB Output is correct
37 Correct 1498 ms 272092 KB Output is correct
38 Correct 1625 ms 273404 KB Output is correct
39 Correct 1228 ms 271448 KB Output is correct
40 Correct 1255 ms 272500 KB Output is correct
41 Correct 1221 ms 250688 KB Output is correct
42 Correct 1142 ms 252096 KB Output is correct
43 Correct 260 ms 208728 KB Output is correct
44 Correct 1181 ms 250412 KB Output is correct
45 Correct 1208 ms 247424 KB Output is correct
46 Correct 1297 ms 240068 KB Output is correct
47 Correct 797 ms 249308 KB Output is correct
48 Correct 842 ms 250428 KB Output is correct
49 Correct 919 ms 251160 KB Output is correct
50 Correct 948 ms 251588 KB Output is correct
51 Correct 975 ms 249716 KB Output is correct
52 Correct 456 ms 231764 KB Output is correct
53 Correct 448 ms 230632 KB Output is correct
54 Correct 908 ms 251796 KB Output is correct
55 Correct 964 ms 246808 KB Output is correct
56 Correct 845 ms 243980 KB Output is correct
57 Correct 1139 ms 248492 KB Output is correct
58 Correct 899 ms 246236 KB Output is correct
59 Correct 839 ms 243608 KB Output is correct
60 Correct 1065 ms 249396 KB Output is correct
61 Correct 256 ms 209756 KB Output is correct
62 Correct 472 ms 232156 KB Output is correct
63 Correct 738 ms 245784 KB Output is correct
64 Correct 858 ms 249292 KB Output is correct
65 Correct 1072 ms 252904 KB Output is correct
66 Correct 1175 ms 251976 KB Output is correct
67 Correct 397 ms 218072 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 205 ms 202360 KB Output is correct
2 Correct 183 ms 202232 KB Output is correct
3 Correct 183 ms 202360 KB Output is correct
4 Correct 183 ms 202360 KB Output is correct
5 Correct 184 ms 202360 KB Output is correct
6 Correct 189 ms 202616 KB Output is correct
7 Correct 185 ms 202492 KB Output is correct
8 Correct 184 ms 202616 KB Output is correct
9 Correct 185 ms 202468 KB Output is correct
10 Correct 186 ms 202588 KB Output is correct
11 Correct 184 ms 202616 KB Output is correct
12 Correct 187 ms 202604 KB Output is correct
13 Correct 184 ms 202536 KB Output is correct
14 Correct 188 ms 202488 KB Output is correct
15 Correct 194 ms 202636 KB Output is correct
16 Correct 185 ms 202488 KB Output is correct
17 Correct 188 ms 202616 KB Output is correct
18 Correct 216 ms 202504 KB Output is correct
19 Correct 216 ms 202488 KB Output is correct
20 Correct 202 ms 202556 KB Output is correct
21 Correct 212 ms 202360 KB Output is correct
22 Correct 200 ms 202468 KB Output is correct
23 Correct 216 ms 202540 KB Output is correct
24 Correct 199 ms 202488 KB Output is correct
25 Correct 188 ms 202616 KB Output is correct
26 Correct 216 ms 202616 KB Output is correct
27 Correct 185 ms 202556 KB Output is correct
28 Correct 187 ms 202616 KB Output is correct
29 Correct 185 ms 202616 KB Output is correct
30 Correct 187 ms 202488 KB Output is correct
31 Correct 1909 ms 272972 KB Output is correct
32 Correct 293 ms 206688 KB Output is correct
33 Correct 1851 ms 274012 KB Output is correct
34 Correct 1768 ms 270936 KB Output is correct
35 Correct 1852 ms 274364 KB Output is correct
36 Correct 1875 ms 276116 KB Output is correct
37 Correct 1498 ms 272092 KB Output is correct
38 Correct 1625 ms 273404 KB Output is correct
39 Correct 1228 ms 271448 KB Output is correct
40 Correct 1255 ms 272500 KB Output is correct
41 Correct 1221 ms 250688 KB Output is correct
42 Correct 1142 ms 252096 KB Output is correct
43 Correct 260 ms 208728 KB Output is correct
44 Correct 1181 ms 250412 KB Output is correct
45 Correct 1208 ms 247424 KB Output is correct
46 Correct 1297 ms 240068 KB Output is correct
47 Correct 797 ms 249308 KB Output is correct
48 Correct 842 ms 250428 KB Output is correct
49 Correct 919 ms 251160 KB Output is correct
50 Correct 948 ms 251588 KB Output is correct
51 Correct 975 ms 249716 KB Output is correct
52 Execution timed out 5031 ms 451460 KB Time limit exceeded
53 Halted 0 ms 0 KB -