oj.uz

Submission #159489

# Submission time Handle Problem Language Result Execution time Memory
159489 2019-10-23T00:46:42 Z arnold518 New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 459760 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(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=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 177 ms 202268 KB Output is correct
2 Correct 179 ms 202364 KB Output is correct
3 Correct 177 ms 202212 KB Output is correct
4 Correct 176 ms 202312 KB Output is correct
5 Correct 176 ms 202360 KB Output is correct
6 Correct 186 ms 202596 KB Output is correct
7 Correct 184 ms 202428 KB Output is correct
8 Correct 217 ms 202676 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 185 ms 202588 KB Output is correct
11 Correct 180 ms 202548 KB Output is correct
12 Correct 181 ms 202564 KB Output is correct
13 Correct 184 ms 202532 KB Output is correct
14 Correct 183 ms 202616 KB Output is correct
15 Correct 181 ms 202540 KB Output is correct
16 Correct 181 ms 202516 KB Output is correct
17 Correct 182 ms 202524 KB Output is correct
18 Correct 181 ms 202692 KB Output is correct
19 Correct 181 ms 202484 KB Output is correct
20 Correct 182 ms 202620 KB Output is correct
21 Correct 179 ms 202360 KB Output is correct
22 Correct 178 ms 202492 KB Output is correct
23 Correct 181 ms 202528 KB Output is correct
24 Correct 184 ms 202596 KB Output is correct
25 Correct 212 ms 202576 KB Output is correct
26 Correct 184 ms 202588 KB Output is correct
27 Correct 184 ms 202444 KB Output is correct
28 Correct 187 ms 202612 KB Output is correct
29 Correct 185 ms 202576 KB Output is correct
30 Correct 183 ms 202408 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 177 ms 202268 KB Output is correct
2 Correct 179 ms 202364 KB Output is correct
3 Correct 177 ms 202212 KB Output is correct
4 Correct 176 ms 202312 KB Output is correct
5 Correct 176 ms 202360 KB Output is correct
6 Correct 186 ms 202596 KB Output is correct
7 Correct 184 ms 202428 KB Output is correct
8 Correct 217 ms 202676 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 185 ms 202588 KB Output is correct
11 Correct 180 ms 202548 KB Output is correct
12 Correct 181 ms 202564 KB Output is correct
13 Correct 184 ms 202532 KB Output is correct
14 Correct 183 ms 202616 KB Output is correct
15 Correct 181 ms 202540 KB Output is correct
16 Correct 181 ms 202516 KB Output is correct
17 Correct 182 ms 202524 KB Output is correct
18 Correct 181 ms 202692 KB Output is correct
19 Correct 181 ms 202484 KB Output is correct
20 Correct 182 ms 202620 KB Output is correct
21 Correct 179 ms 202360 KB Output is correct
22 Correct 178 ms 202492 KB Output is correct
23 Correct 181 ms 202528 KB Output is correct
24 Correct 184 ms 202596 KB Output is correct
25 Correct 212 ms 202576 KB Output is correct
26 Correct 184 ms 202588 KB Output is correct
27 Correct 184 ms 202444 KB Output is correct
28 Correct 187 ms 202612 KB Output is correct
29 Correct 185 ms 202576 KB Output is correct
30 Correct 183 ms 202408 KB Output is correct
31 Correct 1795 ms 272808 KB Output is correct
32 Correct 290 ms 206708 KB Output is correct
33 Correct 1851 ms 273868 KB Output is correct
34 Correct 1725 ms 270888 KB Output is correct
35 Correct 1878 ms 274156 KB Output is correct
36 Correct 1935 ms 275952 KB Output is correct
37 Correct 1428 ms 271900 KB Output is correct
38 Correct 1450 ms 273132 KB Output is correct
39 Correct 1156 ms 271424 KB Output is correct
40 Correct 1198 ms 272612 KB Output is correct
41 Correct 1127 ms 250636 KB Output is correct
42 Correct 1063 ms 252104 KB Output is correct
43 Correct 261 ms 208788 KB Output is correct
44 Correct 1141 ms 250656 KB Output is correct
45 Correct 1153 ms 247388 KB Output is correct
46 Correct 1254 ms 240048 KB Output is correct
47 Correct 786 ms 249252 KB Output is correct
48 Correct 816 ms 250592 KB Output is correct
49 Correct 923 ms 251236 KB Output is correct
50 Correct 920 ms 251644 KB Output is correct
51 Correct 938 ms 249540 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5104 ms 459760 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 5080 ms 442144 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 177 ms 202268 KB Output is correct
2 Correct 179 ms 202364 KB Output is correct
3 Correct 177 ms 202212 KB Output is correct
4 Correct 176 ms 202312 KB Output is correct
5 Correct 176 ms 202360 KB Output is correct
6 Correct 186 ms 202596 KB Output is correct
7 Correct 184 ms 202428 KB Output is correct
8 Correct 217 ms 202676 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 185 ms 202588 KB Output is correct
11 Correct 180 ms 202548 KB Output is correct
12 Correct 181 ms 202564 KB Output is correct
13 Correct 184 ms 202532 KB Output is correct
14 Correct 183 ms 202616 KB Output is correct
15 Correct 181 ms 202540 KB Output is correct
16 Correct 181 ms 202516 KB Output is correct
17 Correct 182 ms 202524 KB Output is correct
18 Correct 181 ms 202692 KB Output is correct
19 Correct 181 ms 202484 KB Output is correct
20 Correct 182 ms 202620 KB Output is correct
21 Correct 179 ms 202360 KB Output is correct
22 Correct 178 ms 202492 KB Output is correct
23 Correct 181 ms 202528 KB Output is correct
24 Correct 184 ms 202596 KB Output is correct
25 Correct 212 ms 202576 KB Output is correct
26 Correct 184 ms 202588 KB Output is correct
27 Correct 184 ms 202444 KB Output is correct
28 Correct 187 ms 202612 KB Output is correct
29 Correct 185 ms 202576 KB Output is correct
30 Correct 183 ms 202408 KB Output is correct
31 Correct 1795 ms 272808 KB Output is correct
32 Correct 290 ms 206708 KB Output is correct
33 Correct 1851 ms 273868 KB Output is correct
34 Correct 1725 ms 270888 KB Output is correct
35 Correct 1878 ms 274156 KB Output is correct
36 Correct 1935 ms 275952 KB Output is correct
37 Correct 1428 ms 271900 KB Output is correct
38 Correct 1450 ms 273132 KB Output is correct
39 Correct 1156 ms 271424 KB Output is correct
40 Correct 1198 ms 272612 KB Output is correct
41 Correct 1127 ms 250636 KB Output is correct
42 Correct 1063 ms 252104 KB Output is correct
43 Correct 261 ms 208788 KB Output is correct
44 Correct 1141 ms 250656 KB Output is correct
45 Correct 1153 ms 247388 KB Output is correct
46 Correct 1254 ms 240048 KB Output is correct
47 Correct 786 ms 249252 KB Output is correct
48 Correct 816 ms 250592 KB Output is correct
49 Correct 923 ms 251236 KB Output is correct
50 Correct 920 ms 251644 KB Output is correct
51 Correct 938 ms 249540 KB Output is correct
52 Correct 454 ms 231744 KB Output is correct
53 Correct 468 ms 230592 KB Output is correct
54 Correct 905 ms 251812 KB Output is correct
55 Correct 1008 ms 246808 KB Output is correct
56 Correct 850 ms 244060 KB Output is correct
57 Correct 1101 ms 248716 KB Output is correct
58 Correct 922 ms 246196 KB Output is correct
59 Correct 804 ms 243920 KB Output is correct
60 Correct 1016 ms 249268 KB Output is correct
61 Correct 260 ms 209756 KB Output is correct
62 Correct 458 ms 232032 KB Output is correct
63 Correct 760 ms 245920 KB Output is correct
64 Correct 828 ms 249328 KB Output is correct
65 Correct 1110 ms 252896 KB Output is correct
66 Correct 1115 ms 251720 KB Output is correct
67 Correct 384 ms 217920 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 177 ms 202268 KB Output is correct
2 Correct 179 ms 202364 KB Output is correct
3 Correct 177 ms 202212 KB Output is correct
4 Correct 176 ms 202312 KB Output is correct
5 Correct 176 ms 202360 KB Output is correct
6 Correct 186 ms 202596 KB Output is correct
7 Correct 184 ms 202428 KB Output is correct
8 Correct 217 ms 202676 KB Output is correct
9 Correct 182 ms 202488 KB Output is correct
10 Correct 185 ms 202588 KB Output is correct
11 Correct 180 ms 202548 KB Output is correct
12 Correct 181 ms 202564 KB Output is correct
13 Correct 184 ms 202532 KB Output is correct
14 Correct 183 ms 202616 KB Output is correct
15 Correct 181 ms 202540 KB Output is correct
16 Correct 181 ms 202516 KB Output is correct
17 Correct 182 ms 202524 KB Output is correct
18 Correct 181 ms 202692 KB Output is correct
19 Correct 181 ms 202484 KB Output is correct
20 Correct 182 ms 202620 KB Output is correct
21 Correct 179 ms 202360 KB Output is correct
22 Correct 178 ms 202492 KB Output is correct
23 Correct 181 ms 202528 KB Output is correct
24 Correct 184 ms 202596 KB Output is correct
25 Correct 212 ms 202576 KB Output is correct
26 Correct 184 ms 202588 KB Output is correct
27 Correct 184 ms 202444 KB Output is correct
28 Correct 187 ms 202612 KB Output is correct
29 Correct 185 ms 202576 KB Output is correct
30 Correct 183 ms 202408 KB Output is correct
31 Correct 1795 ms 272808 KB Output is correct
32 Correct 290 ms 206708 KB Output is correct
33 Correct 1851 ms 273868 KB Output is correct
34 Correct 1725 ms 270888 KB Output is correct
35 Correct 1878 ms 274156 KB Output is correct
36 Correct 1935 ms 275952 KB Output is correct
37 Correct 1428 ms 271900 KB Output is correct
38 Correct 1450 ms 273132 KB Output is correct
39 Correct 1156 ms 271424 KB Output is correct
40 Correct 1198 ms 272612 KB Output is correct
41 Correct 1127 ms 250636 KB Output is correct
42 Correct 1063 ms 252104 KB Output is correct
43 Correct 261 ms 208788 KB Output is correct
44 Correct 1141 ms 250656 KB Output is correct
45 Correct 1153 ms 247388 KB Output is correct
46 Correct 1254 ms 240048 KB Output is correct
47 Correct 786 ms 249252 KB Output is correct
48 Correct 816 ms 250592 KB Output is correct
49 Correct 923 ms 251236 KB Output is correct
50 Correct 920 ms 251644 KB Output is correct
51 Correct 938 ms 249540 KB Output is correct
52 Execution timed out 5104 ms 459760 KB Time limit exceeded
53 Halted 0 ms 0 KB -