oj.uz

Submission #876417

# Submission time Handle Problem Language Result Execution time Memory
876417 2023-11-21T17:46:59 Z winter0101 Treatment Project (JOI20_treatment) C++14
100 / 100
 440 ms 56932 KB 
#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
#define pil pair<int,long long>
const int maxn=1e5+9;
struct edg{
int time;
int l,r;
long long c;
bool operator < (const edg &p)const {
return time<p.time;
}
}a[maxn];
vector<int>g[maxn];
/*bool check(int i, int j) {
    if (a[i].r == n)return 0;
    if (a[i].time <= a[j].time) {
        if (a[i].r+1+a[i].time>=a[j].l+a[j].time)return 1;
        return 0;
    } else {
        //will infected from a[j].l-1
        if (a[i].r+1-a[i].time>=a[j].l-a[j].time)return 1;
        return 0;
    }
}*/
int n,m;
long long d[maxn];
bool vis[maxn];
const long long inf=1e18;
struct line{
int u;
long long val;
bool operator < (const line &p)const {
return val>p.val;
}
};
vector<int>stx[maxn*4],sty[maxn*4];//x for case 1 y for case 2
void build(int id,int l,int r){
for1(i,l,r)stx[id].pb(i);
for1(i,l,r)sty[id].pb(i);
sort(all(stx[id]),[](int i,int j){
return a[i].l+a[i].time>a[j].l+a[j].time;
});
sort(all(sty[id]),[](int i,int j){
return a[i].l-a[i].time>a[j].l-a[j].time;
});
if (l==r)return;
int mid=(l+r)/2;
build(id*2,l,mid);
build(id*2+1,mid+1,r);
}
priority_queue<line>t;
void get(int id,int l,int r,int u,int v,int root,bool fl){
if (l>v||r<u||u>v)return;
if (u<=l&&r<=v){
while (!stx[id].empty()){
if (fl)break;
int tmp=stx[id].back();
if (vis[tmp]){
    stx[id].pop_back();
    continue;
}
if (a[tmp].l+a[tmp].time<=a[root].r+1+a[root].time){
vis[tmp]=1;
d[tmp]=d[root]+a[tmp].c;
t.push({tmp,d[tmp]});
stx[id].pop_back();
}
else break;
}
while (!sty[id].empty()){
if (!fl)break;
int tmp=sty[id].back();
if (vis[tmp]){
    sty[id].pop_back();
    continue;
}
if (a[tmp].l-a[tmp].time<=a[root].r+1-a[root].time){
vis[tmp]=1;
d[tmp]=d[root]+a[tmp].c;
t.push({tmp,d[tmp]});
sty[id].pop_back();
}
else break;
}
return;
}
int mid=(l+r)/2;
get(id*2,l,mid,u,v,root,fl);
get(id*2+1,mid+1,r,u,v,root,fl);
}
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    //freopen("temp.INP","r",stdin);
    //freopen("temp.OUT","w",stdout);
    cin>>n>>m;
    for1(i,1,m)cin>>a[i].time>>a[i].l>>a[i].r>>a[i].c;
    sort(a+1,a+1+m);
    build(1,1,m);
    for1(i,1,m)d[i]=inf;
    for1(i,1,m){
    if (a[i].l==1){
    t.push({i,a[i].c});
    d[i]=a[i].c;
    vis[i]=1;
    }
    }
    while (!t.empty()){
    auto u=t.top();
    t.pop();
    get(1,1,m,1,u.u-1,u.u,1);
    get(1,1,m,u.u+1,m,u.u,0);
    }
    long long ans=inf;
    for1(i,1,m)if (a[i].r==n)ans=min(ans,d[i]);
    if (ans>=inf)ans=-1;
    cout<<ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 403 ms 54296 KB Output is correct
2 Correct 314 ms 53936 KB Output is correct
3 Correct 317 ms 54020 KB Output is correct
4 Correct 325 ms 54044 KB Output is correct
5 Correct 271 ms 56096 KB Output is correct
6 Correct 261 ms 54096 KB Output is correct
7 Correct 227 ms 53764 KB Output is correct
8 Correct 182 ms 53744 KB Output is correct
9 Correct 175 ms 53948 KB Output is correct
10 Correct 165 ms 53844 KB Output is correct
11 Correct 349 ms 56192 KB Output is correct
12 Correct 338 ms 56340 KB Output is correct
13 Correct 352 ms 56112 KB Output is correct
14 Correct 350 ms 56212 KB Output is correct
15 Correct 350 ms 54000 KB Output is correct
16 Correct 369 ms 54008 KB Output is correct
17 Correct 349 ms 53080 KB Output is correct
18 Correct 329 ms 55476 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 23132 KB Output is correct
2 Correct 5 ms 23132 KB Output is correct
3 Correct 5 ms 23204 KB Output is correct
4 Correct 4 ms 23128 KB Output is correct
5 Correct 5 ms 23132 KB Output is correct
6 Correct 5 ms 23132 KB Output is correct
7 Correct 6 ms 23132 KB Output is correct
8 Correct 6 ms 23132 KB Output is correct
9 Correct 4 ms 23132 KB Output is correct
10 Correct 5 ms 23132 KB Output is correct
11 Correct 5 ms 23128 KB Output is correct
12 Correct 5 ms 22980 KB Output is correct
13 Correct 5 ms 22956 KB Output is correct
14 Correct 5 ms 23132 KB Output is correct
15 Correct 6 ms 23132 KB Output is correct
16 Correct 5 ms 23132 KB Output is correct
17 Correct 6 ms 23132 KB Output is correct
18 Correct 5 ms 23164 KB Output is correct
19 Correct 6 ms 23132 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 23132 KB Output is correct
2 Correct 5 ms 23132 KB Output is correct
3 Correct 5 ms 23204 KB Output is correct
4 Correct 4 ms 23128 KB Output is correct
5 Correct 5 ms 23132 KB Output is correct
6 Correct 5 ms 23132 KB Output is correct
7 Correct 6 ms 23132 KB Output is correct
8 Correct 6 ms 23132 KB Output is correct
9 Correct 4 ms 23132 KB Output is correct
10 Correct 5 ms 23132 KB Output is correct
11 Correct 5 ms 23128 KB Output is correct
12 Correct 5 ms 22980 KB Output is correct
13 Correct 5 ms 22956 KB Output is correct
14 Correct 5 ms 23132 KB Output is correct
15 Correct 6 ms 23132 KB Output is correct
16 Correct 5 ms 23132 KB Output is correct
17 Correct 6 ms 23132 KB Output is correct
18 Correct 5 ms 23164 KB Output is correct
19 Correct 6 ms 23132 KB Output is correct
20 Correct 13 ms 24408 KB Output is correct
21 Correct 14 ms 24668 KB Output is correct
22 Correct 15 ms 24536 KB Output is correct
23 Correct 14 ms 24488 KB Output is correct
24 Correct 15 ms 24668 KB Output is correct
25 Correct 16 ms 24492 KB Output is correct
26 Correct 15 ms 24408 KB Output is correct
27 Correct 15 ms 24412 KB Output is correct
28 Correct 16 ms 24664 KB Output is correct
29 Correct 15 ms 24412 KB Output is correct
30 Correct 13 ms 24412 KB Output is correct
31 Correct 13 ms 24412 KB Output is correct
32 Correct 15 ms 24848 KB Output is correct
33 Correct 15 ms 24768 KB Output is correct
34 Correct 16 ms 24400 KB Output is correct
35 Correct 16 ms 24668 KB Output is correct
36 Correct 16 ms 24668 KB Output is correct
37 Correct 17 ms 24412 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 403 ms 54296 KB Output is correct
2 Correct 314 ms 53936 KB Output is correct
3 Correct 317 ms 54020 KB Output is correct
4 Correct 325 ms 54044 KB Output is correct
5 Correct 271 ms 56096 KB Output is correct
6 Correct 261 ms 54096 KB Output is correct
7 Correct 227 ms 53764 KB Output is correct
8 Correct 182 ms 53744 KB Output is correct
9 Correct 175 ms 53948 KB Output is correct
10 Correct 165 ms 53844 KB Output is correct
11 Correct 349 ms 56192 KB Output is correct
12 Correct 338 ms 56340 KB Output is correct
13 Correct 352 ms 56112 KB Output is correct
14 Correct 350 ms 56212 KB Output is correct
15 Correct 350 ms 54000 KB Output is correct
16 Correct 369 ms 54008 KB Output is correct
17 Correct 349 ms 53080 KB Output is correct
18 Correct 329 ms 55476 KB Output is correct
19 Correct 5 ms 23132 KB Output is correct
20 Correct 5 ms 23132 KB Output is correct
21 Correct 5 ms 23204 KB Output is correct
22 Correct 4 ms 23128 KB Output is correct
23 Correct 5 ms 23132 KB Output is correct
24 Correct 5 ms 23132 KB Output is correct
25 Correct 6 ms 23132 KB Output is correct
26 Correct 6 ms 23132 KB Output is correct
27 Correct 4 ms 23132 KB Output is correct
28 Correct 5 ms 23132 KB Output is correct
29 Correct 5 ms 23128 KB Output is correct
30 Correct 5 ms 22980 KB Output is correct
31 Correct 5 ms 22956 KB Output is correct
32 Correct 5 ms 23132 KB Output is correct
33 Correct 6 ms 23132 KB Output is correct
34 Correct 5 ms 23132 KB Output is correct
35 Correct 6 ms 23132 KB Output is correct
36 Correct 5 ms 23164 KB Output is correct
37 Correct 6 ms 23132 KB Output is correct
38 Correct 13 ms 24408 KB Output is correct
39 Correct 14 ms 24668 KB Output is correct
40 Correct 15 ms 24536 KB Output is correct
41 Correct 14 ms 24488 KB Output is correct
42 Correct 15 ms 24668 KB Output is correct
43 Correct 16 ms 24492 KB Output is correct
44 Correct 15 ms 24408 KB Output is correct
45 Correct 15 ms 24412 KB Output is correct
46 Correct 16 ms 24664 KB Output is correct
47 Correct 15 ms 24412 KB Output is correct
48 Correct 13 ms 24412 KB Output is correct
49 Correct 13 ms 24412 KB Output is correct
50 Correct 15 ms 24848 KB Output is correct
51 Correct 15 ms 24768 KB Output is correct
52 Correct 16 ms 24400 KB Output is correct
53 Correct 16 ms 24668 KB Output is correct
54 Correct 16 ms 24668 KB Output is correct
55 Correct 17 ms 24412 KB Output is correct
56 Correct 251 ms 54304 KB Output is correct
57 Correct 263 ms 54740 KB Output is correct
58 Correct 259 ms 53064 KB Output is correct
59 Correct 251 ms 53588 KB Output is correct
60 Correct 288 ms 54364 KB Output is correct
61 Correct 257 ms 53392 KB Output is correct
62 Correct 248 ms 54376 KB Output is correct
63 Correct 174 ms 54100 KB Output is correct
64 Correct 170 ms 53840 KB Output is correct
65 Correct 393 ms 54104 KB Output is correct
66 Correct 254 ms 54100 KB Output is correct
67 Correct 343 ms 54724 KB Output is correct
68 Correct 349 ms 54716 KB Output is correct
69 Correct 319 ms 54692 KB Output is correct
70 Correct 364 ms 54940 KB Output is correct
71 Correct 345 ms 54728 KB Output is correct
72 Correct 324 ms 54868 KB Output is correct
73 Correct 380 ms 54864 KB Output is correct
74 Correct 249 ms 54544 KB Output is correct
75 Correct 240 ms 54476 KB Output is correct
76 Correct 364 ms 56524 KB Output is correct
77 Correct 336 ms 56792 KB Output is correct
78 Correct 361 ms 56280 KB Output is correct
79 Correct 440 ms 54888 KB Output is correct
80 Correct 369 ms 54392 KB Output is correct
81 Correct 259 ms 54716 KB Output is correct
82 Correct 411 ms 53888 KB Output is correct
83 Correct 376 ms 53856 KB Output is correct
84 Correct 357 ms 53972 KB Output is correct
85 Correct 314 ms 54500 KB Output is correct
86 Correct 306 ms 54888 KB Output is correct
87 Correct 338 ms 54608 KB Output is correct
88 Correct 315 ms 54604 KB Output is correct
89 Correct 332 ms 54648 KB Output is correct
90 Correct 356 ms 56844 KB Output is correct
91 Correct 330 ms 55768 KB Output is correct
92 Correct 342 ms 54776 KB Output is correct
93 Correct 355 ms 54604 KB Output is correct
94 Correct 355 ms 55068 KB Output is correct
95 Correct 340 ms 54616 KB Output is correct
96 Correct 362 ms 56764 KB Output is correct
97 Correct 330 ms 56792 KB Output is correct
98 Correct 372 ms 56872 KB Output is correct
99 Correct 339 ms 56796 KB Output is correct
100 Correct 349 ms 56824 KB Output is correct
101 Correct 333 ms 56788 KB Output is correct
102 Correct 387 ms 56932 KB Output is correct
103 Correct 330 ms 55192 KB Output is correct