oj.uz

Submission #486183

# Submission time Handle Problem Language Result Execution time Memory
486183 2021-11-10T17:38:41 Z bigDuck Snowball (JOI21_ho_t2) C++14
100 / 100
 117 ms 16880 KB 
#include<bits/stdc++.h>
using namespace std;
#define INIT  ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#define int ll
inline char get_ (){
    const int oo=1000005;
    static char buf[oo], *p1 = buf, *p2 = buf;
    return p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, oo, stdin), p1 == p2) ? EOF : *p1 ++;
}
int read_ () {
    char c = get_();
    int sum = 0;
    while(!(c >= '0' && c <= '9')) c = get_();
    while(c >= '0' && c <= '9') sum = sum * 10 + (c - '0'), c = get_();
    return sum;
}



int n, x[300010], q;
int w[300010];

int ww[300010], we[300010], sw[300010];


int wt[300010];


int32_t main(){
INIT

cin>>n>>q;
for(int i=1; i<=n; i++){
    cin>>x[i];
}


int ac=0;

for(int i=1; i<=q; i++){
    cin>>w[i];
    ww[i]=ww[i-1];
    we[i]=we[i-1];
    ac+=w[i];
    if(ac<0){
        ww[i]=max(ww[i], -ac);
    }
    else{
        we[i]=max(we[i], ac);
    }
    sw[i]=we[i]+ww[i];
}


//dont forget maxwest and maxeast for endpoints
sort(x+1, x+1+n);
for(int i=1; i<n; i++){
    //first sw>x[i+1]-x[i];
    int l=1, r=q+1, m=(l+r)>>1ll;
    while(l<r){
        m=(l+r)>>1ll;
        if(sw[m]>(x[i+1]-x[i]) ){
            r=m;
        }
        else{
            l=(m+1);
        }
        m=(l+r)>>1ll;
    }
    wt[i]+=we[m-1];
    wt[i+1]+=ww[m-1];
    if( (m<=q)   ){
        if(w[m]<0){
            if( sw[m]>(x[i+1]-x[i]) ){wt[i+1]+=x[i+1]-x[i]-we[m-1]-ww[m-1];}
        }
        else{
            if( sw[m]>(x[i+1]-x[i]) ){wt[i]+=x[i+1]-x[i]-ww[m-1]-we[m-1];}
        }
    }
}

int me=0, mw=0;
ac=0;
for(int i=1; i<=q; i++){
    ac+=w[i];
    if(ac<0){
        mw=max(mw, -ac);
    }
    else{
        me=max(me, ac);
    }
}
wt[1]+=mw;
wt[n]+=me;


for(int i=1; i<=n; i++){
    cout<<wt[i]<<"\n";
}

return 0;
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 1 ms 416 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 0 ms 316 KB Output is correct
19 Correct 1 ms 460 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 1 ms 416 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 0 ms 316 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 32 ms 8768 KB Output is correct
21 Correct 29 ms 8512 KB Output is correct
22 Correct 29 ms 8328 KB Output is correct
23 Correct 24 ms 8144 KB Output is correct
24 Correct 30 ms 8656 KB Output is correct
25 Correct 98 ms 15036 KB Output is correct
26 Correct 97 ms 15072 KB Output is correct
27 Correct 99 ms 14528 KB Output is correct
28 Correct 95 ms 14784 KB Output is correct
29 Correct 90 ms 14284 KB Output is correct
30 Correct 92 ms 13624 KB Output is correct
31 Correct 60 ms 12996 KB Output is correct
32 Correct 56 ms 13252 KB Output is correct
33 Correct 9 ms 1868 KB Output is correct
34 Correct 101 ms 15276 KB Output is correct
35 Correct 117 ms 14792 KB Output is correct
36 Correct 100 ms 14948 KB Output is correct
37 Correct 95 ms 14720 KB Output is correct
38 Correct 114 ms 14532 KB Output is correct
39 Correct 90 ms 14744 KB Output is correct
40 Correct 66 ms 14800 KB Output is correct
41 Correct 29 ms 9240 KB Output is correct
42 Correct 55 ms 13204 KB Output is correct
43 Correct 72 ms 16492 KB Output is correct
44 Correct 31 ms 9172 KB Output is correct
45 Correct 69 ms 14776 KB Output is correct
46 Correct 88 ms 16580 KB Output is correct
47 Correct 74 ms 16796 KB Output is correct
48 Correct 81 ms 16880 KB Output is correct