oj.uz

Submission #77719

# Submission time Handle Problem Language Result Execution time Memory
77719 2018-09-30T04:13:54 Z nxteru Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 1451 ms 153204 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <cstdio>
#include <cstring>
#include <string>
#include <math.h>
using namespace std;
typedef long long ll;
typedef double D;
typedef pair<int,int> P;
#define M 1000000007
#define F first
#define S second
#define PB push_back
#define INF 100000000000000000
struct e{
    ll c,a,s;
    bool operator <(const e&q)const{
        if(c!=q.c)return c<q.c;
        return s<q.s;
    }
    bool operator >(const e&q)const{
        if(c!=q.c)return c>q.c;
        return s>q.s;
    }
};
ll n,q,k,seg[1<<21],v[200005],u[200005],t[200005],BIT[200005],ans;
vector<ll>cm;
vector<e>w;
map<ll,ll>pr;
void ini(void){
    for(int i=0;i<1<<21;i++)seg[i]=-1;
}
void up(int a,ll x){
    a+=(1<<20)-1;
    seg[a]=max(seg[a],x);
    while(a>0){
        a=(a-1)/2;
        seg[a]=max(seg[a*2+1],seg[a*2+2]);
    }
}
ll que(int a,int b,int l,int r,int o){
    if(r<a||b<l)return -1;
    if(a<=l&&r<=b)return seg[o];
    return max(que(a,b,l,(l+r-1)/2,o*2+1),que(a,b,(l+r+1)/2,r,o*2+2));
}
void add(int a,ll x){
    a++;
    while(a<=q){
        BIT[a]+=x;
        a+=(a&-a);
    }
}
ll sum(int a){
    a++;
    ll res=0;
    while(a>0){
        res+=BIT[a];
        a-=(a&-a);
    }
    return res;
}
int main(void){
    scanf("%lld%lld",&n,&q);
    ini();
    for(int i=0;i<n;i++){
        scanf("%lld%lld",v+i,u+i);
        cm.PB(v[i]);
        cm.PB(u[i]);
    }
    for(int i=0;i<q;i++){
        scanf("%lld",t+i);
        cm.PB(t[i]);
    }
    sort(cm.begin(),cm.end());
    cm.erase(unique(cm.begin(),cm.end()),cm.end());
    k=cm.size();
    for(int i=0;i<k;i++)pr[cm[i]]=i;
    for(int i=0;i<n;i++){
        v[i]=pr[v[i]];
        u[i]=pr[u[i]];
        w.PB(e{max(v[i],u[i]),i,0});
    }
    for(int i=0;i<q;i++){
        t[i]=pr[t[i]];
        up(t[i],i);
        w.PB(e{t[i],i,1});
    }
    sort(w.begin(),w.end(),greater<e>());
    for(int i=0;i<w.size();i++){
        if(w[i].s==1){
            add(w[i].a,1);
        }else{
            int p=w[i].a;
            int a=v[p],b=u[p],x=min(a,b),y=max(a,b);
            if(a==b){
                ans+=cm[a];
                continue;
            }
            int c=que(x,y-1,0,(1<<20)-1,0);
            if(c==-1){
                int s=sum(q-1);
                if(s%2==0)ans+=cm[a];
                else ans+=cm[b];
            }else{
                int s=sum(q-1)-sum(c);
                if(s%2==0)ans+=cm[y];
                else ans+=cm[x];
            }
        }
    }
    printf("%lld\n",ans);
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:95:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<w.size();i++){
                 ~^~~~~~~~~
fortune_telling2.cpp:69:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&q);
     ~~~~~^~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:72:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld",v+i,u+i);
         ~~~~~^~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:77:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld",t+i);
         ~~~~~^~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 16888 KB Output is correct
2 Correct 16 ms 17020 KB Output is correct
3 Correct 17 ms 17208 KB Output is correct
4 Correct 17 ms 17208 KB Output is correct
5 Correct 17 ms 17284 KB Output is correct
6 Correct 17 ms 17344 KB Output is correct
7 Correct 17 ms 17472 KB Output is correct
8 Correct 17 ms 17472 KB Output is correct
9 Correct 17 ms 17500 KB Output is correct
10 Correct 17 ms 17500 KB Output is correct
11 Correct 16 ms 17500 KB Output is correct
12 Correct 17 ms 17500 KB Output is correct
13 Correct 19 ms 17500 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 16888 KB Output is correct
2 Correct 16 ms 17020 KB Output is correct
3 Correct 17 ms 17208 KB Output is correct
4 Correct 17 ms 17208 KB Output is correct
5 Correct 17 ms 17284 KB Output is correct
6 Correct 17 ms 17344 KB Output is correct
7 Correct 17 ms 17472 KB Output is correct
8 Correct 17 ms 17472 KB Output is correct
9 Correct 17 ms 17500 KB Output is correct
10 Correct 17 ms 17500 KB Output is correct
11 Correct 16 ms 17500 KB Output is correct
12 Correct 17 ms 17500 KB Output is correct
13 Correct 19 ms 17500 KB Output is correct
14 Correct 49 ms 20264 KB Output is correct
15 Correct 102 ms 23616 KB Output is correct
16 Correct 153 ms 26456 KB Output is correct
17 Correct 198 ms 30312 KB Output is correct
18 Correct 209 ms 30312 KB Output is correct
19 Correct 201 ms 30312 KB Output is correct
20 Correct 202 ms 30492 KB Output is correct
21 Correct 188 ms 30492 KB Output is correct
22 Correct 127 ms 30492 KB Output is correct
23 Correct 119 ms 30492 KB Output is correct
24 Correct 111 ms 30492 KB Output is correct
25 Correct 160 ms 30492 KB Output is correct
26 Correct 135 ms 30492 KB Output is correct
27 Correct 156 ms 30492 KB Output is correct
28 Correct 146 ms 30492 KB Output is correct
29 Correct 190 ms 30492 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 16888 KB Output is correct
2 Correct 16 ms 17020 KB Output is correct
3 Correct 17 ms 17208 KB Output is correct
4 Correct 17 ms 17208 KB Output is correct
5 Correct 17 ms 17284 KB Output is correct
6 Correct 17 ms 17344 KB Output is correct
7 Correct 17 ms 17472 KB Output is correct
8 Correct 17 ms 17472 KB Output is correct
9 Correct 17 ms 17500 KB Output is correct
10 Correct 17 ms 17500 KB Output is correct
11 Correct 16 ms 17500 KB Output is correct
12 Correct 17 ms 17500 KB Output is correct
13 Correct 19 ms 17500 KB Output is correct
14 Correct 49 ms 20264 KB Output is correct
15 Correct 102 ms 23616 KB Output is correct
16 Correct 153 ms 26456 KB Output is correct
17 Correct 198 ms 30312 KB Output is correct
18 Correct 209 ms 30312 KB Output is correct
19 Correct 201 ms 30312 KB Output is correct
20 Correct 202 ms 30492 KB Output is correct
21 Correct 188 ms 30492 KB Output is correct
22 Correct 127 ms 30492 KB Output is correct
23 Correct 119 ms 30492 KB Output is correct
24 Correct 111 ms 30492 KB Output is correct
25 Correct 160 ms 30492 KB Output is correct
26 Correct 135 ms 30492 KB Output is correct
27 Correct 156 ms 30492 KB Output is correct
28 Correct 146 ms 30492 KB Output is correct
29 Correct 190 ms 30492 KB Output is correct
30 Correct 483 ms 42416 KB Output is correct
31 Correct 625 ms 51028 KB Output is correct
32 Correct 849 ms 63736 KB Output is correct
33 Correct 1404 ms 82516 KB Output is correct
34 Correct 386 ms 82516 KB Output is correct
35 Correct 1409 ms 90468 KB Output is correct
36 Correct 1436 ms 96244 KB Output is correct
37 Correct 1451 ms 102076 KB Output is correct
38 Correct 1392 ms 107880 KB Output is correct
39 Correct 1372 ms 113624 KB Output is correct
40 Correct 1223 ms 119372 KB Output is correct
41 Correct 1343 ms 125076 KB Output is correct
42 Correct 1381 ms 130912 KB Output is correct
43 Correct 825 ms 136004 KB Output is correct
44 Correct 847 ms 141244 KB Output is correct
45 Correct 859 ms 146156 KB Output is correct
46 Correct 763 ms 146156 KB Output is correct
47 Correct 599 ms 146156 KB Output is correct
48 Correct 911 ms 147276 KB Output is correct
49 Correct 896 ms 153204 KB Output is correct