oj.uz

Submission #259987

# Submission time Handle Problem Language Result Execution time Memory
259987 2020-08-08T21:37:01 Z thebes Treatment Project (JOI20_treatment) C++14
100 / 100
 1504 ms 77800 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
#define F first
#define S second

const int MN = 1e5+5;
const ll inf = 1e12;
ll N, M, i, j, x, y, c, t, dis[MN], vs[MN], ans=1LL<<60;
struct idk{ll a,b,c,d;}arr[MN],go[MN];
map<ll,ll> mpx, mpy; vector<ll> ed;
struct pq{bool operator()(const pll&i,const pll&j){return i.S>j.S;}};
priority_queue<pll,vector<pll>,pq> q;

struct segtree{
    vector<pii> st[6*MN]; ll n, c;
    void init(ll N){n=N;}
    void prep(){
        for(int i=0;i<6*MN;i++)
            sort(st[i].begin(),st[i].end(),[](pii i,pii j){return i.F>j.F;});
    }
    void upd(ll i,ll s,ll e,ll ind,ll val,ll id){
        st[i].push_back({val,id});
        if(s^e){
            if((s+e)/2<ind) upd(2*i+1,(s+e)/2+1,e,ind,val,id);
            else upd(2*i,s,(s+e)/2,ind,val,id);
        }
    }
    inline void update(ll x,ll y,ll id){
        upd(1,1,n,x,y,id);
    }
    void qu(ll i,ll s,ll e,ll ss,ll se,ll y){
        if(s>=ss&&e<=se){
            while(st[i].size()&&st[i].back().F<=y){
                int id = st[i].back().S;
                if(!vs[id]){
                    vs[id]=1;
                    q.push({id,c+arr[id].c});
                }
                st[i].pop_back();
            }
        }
        else if((s+e)/2<ss) qu(2*i+1,(s+e)/2+1,e,ss,se,y);
        else if((s+e)/2>=se) qu(2*i,s,(s+e)/2,ss,se,y);
        else qu(2*i,s,(s+e)/2,ss,se,y), qu(2*i+1,(s+e)/2+1,e,ss,se,y);
    }
    inline void query(ll s,ll e,ll y,ll cur){
        c = cur;
        qu(1,1,n,s,e,y);
    }
}st;

int main(){
    scanf("%lld%lld",&N,&M);
    for(i=1;i<=M;i++){
        scanf("%lld%lld%lld%lld",&t,&x,&y,&c);
        arr[i]={x,y,c,t};
        if(x==1) q.push({i,c}), x=-inf, vs[i]=1;
        if(y==N) ed.push_back(i), y=inf;
        y++;
        ll sx = t-y, ex = t-x;
        ll sy = t+x, ey = t+y;
        go[i]={sx,ex,sy,ey};
        mpx[sx]=mpx[ex]=mpy[sy]=mpy[ey]=0;
    }
    i=0; st.init(mpx.size());
    for(auto it=mpx.begin();it!=mpx.end();it++)
        it->second = ++i;
    i=0;
    for(auto it=mpy.begin();it!=mpy.end();it++)
        it->second = ++i;
    for(i=1;i<=M;i++){
        go[i].a=mpx[go[i].a]; go[i].b=mpx[go[i].b];
        go[i].c=mpy[go[i].c]; go[i].d=mpy[go[i].d];
        st.update(go[i].b,go[i].c,i);
    }
    st.prep();
    memset(dis,-1,sizeof(dis));
    while(q.size()){
        pll x=q.top(); q.pop();
        dis[x.F]=x.S;
        int id = x.F;
        st.query(go[id].a,mpx.size(),go[id].d,x.S);
    }
    for(auto v : ed){
        if(dis[v]!=-1) ans=min(ans,dis[v]);
    }
    printf("%lld\n",ans==1LL<<60?-1:ans);
    return 0;
}

Compilation message

treatment.cpp: In function 'int main()':
treatment.cpp:57:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&N,&M);
     ~~~~~^~~~~~~~~~~~~~~~~~
treatment.cpp:59:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld%lld%lld",&t,&x,&y,&c);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 685 ms 58768 KB Output is correct
2 Correct 627 ms 58688 KB Output is correct
3 Correct 420 ms 48876 KB Output is correct
4 Correct 446 ms 48828 KB Output is correct
5 Correct 147 ms 34440 KB Output is correct
6 Correct 185 ms 36196 KB Output is correct
7 Correct 264 ms 41188 KB Output is correct
8 Correct 113 ms 32996 KB Output is correct
9 Correct 173 ms 36700 KB Output is correct
10 Correct 243 ms 43236 KB Output is correct
11 Correct 849 ms 69352 KB Output is correct
12 Correct 838 ms 69220 KB Output is correct
13 Correct 1043 ms 75748 KB Output is correct
14 Correct 1219 ms 75688 KB Output is correct
15 Correct 1024 ms 73644 KB Output is correct
16 Correct 988 ms 73480 KB Output is correct
17 Correct 1150 ms 72848 KB Output is correct
18 Correct 934 ms 68404 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 15232 KB Output is correct
2 Correct 11 ms 15232 KB Output is correct
3 Correct 13 ms 15232 KB Output is correct
4 Correct 11 ms 15232 KB Output is correct
5 Correct 12 ms 15232 KB Output is correct
6 Correct 13 ms 15232 KB Output is correct
7 Correct 11 ms 15232 KB Output is correct
8 Correct 13 ms 15232 KB Output is correct
9 Correct 13 ms 15232 KB Output is correct
10 Correct 12 ms 15232 KB Output is correct
11 Correct 13 ms 15232 KB Output is correct
12 Correct 15 ms 15232 KB Output is correct
13 Correct 11 ms 15208 KB Output is correct
14 Correct 12 ms 15232 KB Output is correct
15 Correct 12 ms 15232 KB Output is correct
16 Correct 12 ms 15232 KB Output is correct
17 Correct 12 ms 15232 KB Output is correct
18 Correct 13 ms 15232 KB Output is correct
19 Correct 12 ms 15232 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 15232 KB Output is correct
2 Correct 11 ms 15232 KB Output is correct
3 Correct 13 ms 15232 KB Output is correct
4 Correct 11 ms 15232 KB Output is correct
5 Correct 12 ms 15232 KB Output is correct
6 Correct 13 ms 15232 KB Output is correct
7 Correct 11 ms 15232 KB Output is correct
8 Correct 13 ms 15232 KB Output is correct
9 Correct 13 ms 15232 KB Output is correct
10 Correct 12 ms 15232 KB Output is correct
11 Correct 13 ms 15232 KB Output is correct
12 Correct 15 ms 15232 KB Output is correct
13 Correct 11 ms 15208 KB Output is correct
14 Correct 12 ms 15232 KB Output is correct
15 Correct 12 ms 15232 KB Output is correct
16 Correct 12 ms 15232 KB Output is correct
17 Correct 12 ms 15232 KB Output is correct
18 Correct 13 ms 15232 KB Output is correct
19 Correct 12 ms 15232 KB Output is correct
20 Correct 32 ms 17400 KB Output is correct
21 Correct 31 ms 17408 KB Output is correct
22 Correct 32 ms 17784 KB Output is correct
23 Correct 35 ms 17656 KB Output is correct
24 Correct 37 ms 17912 KB Output is correct
25 Correct 33 ms 17656 KB Output is correct
26 Correct 30 ms 17792 KB Output is correct
27 Correct 35 ms 17656 KB Output is correct
28 Correct 34 ms 18304 KB Output is correct
29 Correct 39 ms 18168 KB Output is correct
30 Correct 27 ms 18096 KB Output is correct
31 Correct 27 ms 18048 KB Output is correct
32 Correct 39 ms 18176 KB Output is correct
33 Correct 34 ms 18168 KB Output is correct
34 Correct 39 ms 18048 KB Output is correct
35 Correct 36 ms 18176 KB Output is correct
36 Correct 34 ms 18176 KB Output is correct
37 Correct 32 ms 18040 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 685 ms 58768 KB Output is correct
2 Correct 627 ms 58688 KB Output is correct
3 Correct 420 ms 48876 KB Output is correct
4 Correct 446 ms 48828 KB Output is correct
5 Correct 147 ms 34440 KB Output is correct
6 Correct 185 ms 36196 KB Output is correct
7 Correct 264 ms 41188 KB Output is correct
8 Correct 113 ms 32996 KB Output is correct
9 Correct 173 ms 36700 KB Output is correct
10 Correct 243 ms 43236 KB Output is correct
11 Correct 849 ms 69352 KB Output is correct
12 Correct 838 ms 69220 KB Output is correct
13 Correct 1043 ms 75748 KB Output is correct
14 Correct 1219 ms 75688 KB Output is correct
15 Correct 1024 ms 73644 KB Output is correct
16 Correct 988 ms 73480 KB Output is correct
17 Correct 1150 ms 72848 KB Output is correct
18 Correct 934 ms 68404 KB Output is correct
19 Correct 11 ms 15232 KB Output is correct
20 Correct 11 ms 15232 KB Output is correct
21 Correct 13 ms 15232 KB Output is correct
22 Correct 11 ms 15232 KB Output is correct
23 Correct 12 ms 15232 KB Output is correct
24 Correct 13 ms 15232 KB Output is correct
25 Correct 11 ms 15232 KB Output is correct
26 Correct 13 ms 15232 KB Output is correct
27 Correct 13 ms 15232 KB Output is correct
28 Correct 12 ms 15232 KB Output is correct
29 Correct 13 ms 15232 KB Output is correct
30 Correct 15 ms 15232 KB Output is correct
31 Correct 11 ms 15208 KB Output is correct
32 Correct 12 ms 15232 KB Output is correct
33 Correct 12 ms 15232 KB Output is correct
34 Correct 12 ms 15232 KB Output is correct
35 Correct 12 ms 15232 KB Output is correct
36 Correct 13 ms 15232 KB Output is correct
37 Correct 12 ms 15232 KB Output is correct
38 Correct 32 ms 17400 KB Output is correct
39 Correct 31 ms 17408 KB Output is correct
40 Correct 32 ms 17784 KB Output is correct
41 Correct 35 ms 17656 KB Output is correct
42 Correct 37 ms 17912 KB Output is correct
43 Correct 33 ms 17656 KB Output is correct
44 Correct 30 ms 17792 KB Output is correct
45 Correct 35 ms 17656 KB Output is correct
46 Correct 34 ms 18304 KB Output is correct
47 Correct 39 ms 18168 KB Output is correct
48 Correct 27 ms 18096 KB Output is correct
49 Correct 27 ms 18048 KB Output is correct
50 Correct 39 ms 18176 KB Output is correct
51 Correct 34 ms 18168 KB Output is correct
52 Correct 39 ms 18048 KB Output is correct
53 Correct 36 ms 18176 KB Output is correct
54 Correct 34 ms 18176 KB Output is correct
55 Correct 32 ms 18040 KB Output is correct
56 Correct 843 ms 65232 KB Output is correct
57 Correct 945 ms 68312 KB Output is correct
58 Correct 844 ms 57744 KB Output is correct
59 Correct 966 ms 58380 KB Output is correct
60 Correct 1135 ms 66660 KB Output is correct
61 Correct 992 ms 57672 KB Output is correct
62 Correct 866 ms 65348 KB Output is correct
63 Correct 935 ms 68196 KB Output is correct
64 Correct 755 ms 65020 KB Output is correct
65 Correct 928 ms 69612 KB Output is correct
66 Correct 952 ms 66656 KB Output is correct
67 Correct 860 ms 67160 KB Output is correct
68 Correct 708 ms 67300 KB Output is correct
69 Correct 556 ms 67044 KB Output is correct
70 Correct 1060 ms 67268 KB Output is correct
71 Correct 772 ms 67132 KB Output is correct
72 Correct 619 ms 66788 KB Output is correct
73 Correct 1094 ms 74808 KB Output is correct
74 Correct 765 ms 73900 KB Output is correct
75 Correct 542 ms 73576 KB Output is correct
76 Correct 1356 ms 74848 KB Output is correct
77 Correct 1440 ms 77800 KB Output is correct
78 Correct 1367 ms 76104 KB Output is correct
79 Correct 1256 ms 74612 KB Output is correct
80 Correct 1166 ms 74088 KB Output is correct
81 Correct 1123 ms 73756 KB Output is correct
82 Correct 1104 ms 73384 KB Output is correct
83 Correct 1191 ms 73524 KB Output is correct
84 Correct 1390 ms 73700 KB Output is correct
85 Correct 1179 ms 73444 KB Output is correct
86 Correct 986 ms 72936 KB Output is correct
87 Correct 1130 ms 72932 KB Output is correct
88 Correct 981 ms 66268 KB Output is correct
89 Correct 1032 ms 72932 KB Output is correct
90 Correct 1504 ms 74084 KB Output is correct
91 Correct 1435 ms 76388 KB Output is correct
92 Correct 1372 ms 75748 KB Output is correct
93 Correct 1174 ms 74976 KB Output is correct
94 Correct 966 ms 66272 KB Output is correct
95 Correct 1184 ms 75620 KB Output is correct
96 Correct 1201 ms 76252 KB Output is correct
97 Correct 1425 ms 76516 KB Output is correct
98 Correct 1446 ms 76388 KB Output is correct
99 Correct 1389 ms 76520 KB Output is correct
100 Correct 1041 ms 69728 KB Output is correct
101 Correct 1196 ms 76516 KB Output is correct
102 Correct 1157 ms 77412 KB Output is correct
103 Correct 1045 ms 76004 KB Output is correct