oj.uz

Submission #585573

# Submission time Handle Problem Language Result Execution time Memory
585573 2022-06-29T05:35:32 Z karrigan Palembang Bridges (APIO15_bridge) C++14
63 / 100
 2000 ms 8212 KB 
#include<bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(false);cin.tie(nullptr);
using namespace std;
struct line{
char x,z;
long long y,t;
}a[100009];
struct lena{
long long y,t;
}b[100009];
long long pf[100009];
vector<long long>c;
bool cmp(const lena &p, const lena &q){
return p.y+p.t<q.y+q.t;
}
int main()
{
    fastio
    int k,n;
    cin>>k>>n;
    int cnt=0;
    long long ans=0;
    for (int i=1;i<=n;i++){
        cin>>a[i].x>>a[i].y>>a[i].z>>a[i].t;
        if (a[i].x!=a[i].z){
            b[++cnt]={a[i].y,a[i].t};
            c.push_back(a[i].y);
            c.push_back(a[i].t);
            ans++;
        }
        else {
            ans+=abs(a[i].y-a[i].t);
        }
    }
    if (k==1){
        sort(c.begin(),c.end());
        int d=(int)c.size();
        d/=2;
        for (int i=0;i<(int)c.size();i++){
            if (c[i]<=c[d]){
                ans=ans+c[d]-c[i];
            }
            else ans=ans+c[i]-c[d];
        }
        cout<<ans;
        return 0;
    }
    else {
    	if (cnt==0){
    		cout<<ans;
    		return 0;
    	}
        sort(b+1,b+1+cnt,cmp);
        for (int i=1;i<cnt;i++){
            vector<long long>d;
            for (int j=1;j<=i;j++){
                d.push_back(b[j].y);
                d.push_back(b[j].t);
            }
            sort(d.begin(),d.end());
            int r=(int)d.size();
            long long gm=0;
            r/=2;
            for (auto v:d){
               if (d[r]>=v)gm+=d[r]-v;
               else gm+=v-d[r];
            }
            long long lgm=0;
            r--;
            for (auto v:d){
               if (d[r]>=v)lgm+=d[r]-v;
               else lgm+=v-d[r];
            }
            pf[i]=min(lgm,gm);
        }
        long long cal=1e16;
        for (int i=cnt;i>1;i--){
            vector<long long>d;
            for (int j=cnt;j>=i;j--){
                d.push_back(b[j].y);
                d.push_back(b[j].t);
            }
            sort(d.begin(),d.end());
            int r=(int)d.size();
            long long gm=0;
            r/=2;
            for (auto v:d){
               if (d[r]>=v)gm+=d[r]-v;
               else gm+=v-d[r];
            }
            long long lgm=0;
            r--;
            for (auto v:d){
               if (d[r]>=v)lgm+=d[r]-v;
               else lgm+=v-d[r];
            }
            cal=min(cal,min(gm,lgm)+pf[i-1]+ans);
        }
        cout<<cal;
    }
    /*
    2 5
    B 0 A 4
    B 1 B 3
    A 5 B 7
    B 2 A 6
    B 1 A 7
    */
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 400 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 396 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 20 ms 6600 KB Output is correct
13 Correct 42 ms 7680 KB Output is correct
14 Correct 28 ms 6540 KB Output is correct
15 Correct 26 ms 4732 KB Output is correct
16 Correct 27 ms 7512 KB Output is correct
17 Correct 29 ms 7652 KB Output is correct
18 Correct 34 ms 7364 KB Output is correct
19 Correct 40 ms 8212 KB Output is correct
20 Correct 28 ms 7232 KB Output is correct
21 Correct 38 ms 7412 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 324 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 324 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 24 ms 420 KB Output is correct
14 Correct 75 ms 428 KB Output is correct
15 Correct 84 ms 460 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 25 ms 340 KB Output is correct
18 Correct 12 ms 396 KB Output is correct
19 Correct 28 ms 340 KB Output is correct
20 Correct 31 ms 460 KB Output is correct
21 Correct 76 ms 448 KB Output is correct
22 Correct 31 ms 448 KB Output is correct
23 Correct 22 ms 340 KB Output is correct
24 Correct 30 ms 448 KB Output is correct

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 24 ms 340 KB Output is correct
14 Correct 73 ms 432 KB Output is correct
15 Correct 83 ms 440 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 22 ms 324 KB Output is correct
18 Correct 11 ms 340 KB Output is correct
19 Correct 33 ms 340 KB Output is correct
20 Correct 30 ms 460 KB Output is correct
21 Correct 70 ms 344 KB Output is correct
22 Correct 30 ms 340 KB Output is correct
23 Correct 22 ms 340 KB Output is correct
24 Correct 31 ms 344 KB Output is correct
25 Execution timed out 2065 ms 7272 KB Time limit exceeded
26 Halted 0 ms 0 KB -