oj.uz

Submission #362812

# Submission time Handle Problem Language Result Execution time Memory
362812 2021-02-04T12:40:09 Z denkendoemeer Bulldozer (JOI17_bulldozer) C++14
100 / 100
 619 ms 32012 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;
struct pct
{
    int x,y,c;
    bool operator< (const pct &aux) const
    {
        if (x!=aux.x)
            return x<aux.x;
        return y<aux.y;
    }
}w[2005];
struct pct2
{
    int x,y,i,j;
    bool operator< (const pct2 &aux) const
    {
        if (1LL*y*aux.x!=1LL*aux.y*x)
            return 1LL*y*aux.x<1LL*aux.y*x;
        if (i!=aux.i)
            return i<aux.i;
        return j<aux.j;
    }
}v[2000005];
int l[2005];
struct ain
{
    ll l[5000],r[5000],sum[5000],maxi[5000];
    void update(int poz,int val)
    {
        poz+=2048;
        sum[poz]=val;
        l[poz]=r[poz]=maxi[poz]=max(0,val);
        while(poz!=1){
            poz=poz/2;
            sum[poz]=sum[poz*2]+sum[poz*2+1];
            l[poz]=max(l[poz*2],sum[poz*2]+l[poz*2+1]);
            r[poz]=max(r[poz*2+1],sum[poz*2+1]+r[poz*2]);
            maxi[poz]=max(max(maxi[poz*2],maxi[poz*2+1]),r[poz*2]+l[poz*2+1]);
        }
    }
}aint;
int main()
{
    //freopen(".in","r",stdin);
    //freopen(".out","w",stdout);
    int n,i,j,u=0;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        scanf("%d%d%d",&w[i].x,&w[i].y,&w[i].c);
    sort(w+1,w+n+1);
    for(i=1;i<n;i++)
        for(j=i+1;j<=n;j++){
            int x=w[j].x-w[i].x,y=w[j].y-w[i].y;
            if (x<0 || (x==0 && y<0))
                x=-x,y=-y;
            v[u++]={x,y,i,j};
        }
    for(i=1;i<=n;i++){
        l[i]=i;
        aint.update(i,w[i].c);
    }
    sort(v,v+u);
    ll ans=aint.maxi[1];
    for(i=0;i<u;i++){
        for(j=i;j<u;j++){
            if (1LL*v[i].x*v[j].y!=1LL*v[i].y*v[j].x)
                break;
            int x=v[j].i,y=v[j].j;
            swap(l[x],l[y]);
            aint.update(l[x],w[x].c);
            aint.update(l[y],w[y].c);
        }
        ans=max(ans,aint.maxi[1]);
        i=j-1;
    }
    printf("%lld\n",ans);
return 0;
}

Compilation message

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:49:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   49 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
bulldozer.cpp:51:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   51 |         scanf("%d%d%d",&w[i].x,&w[i].y,&w[i].c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 2 ms 492 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 2 ms 492 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 2 ms 492 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 2 ms 492 KB Output is correct
31 Correct 2 ms 640 KB Output is correct
32 Correct 2 ms 492 KB Output is correct

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 2 ms 492 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 2 ms 492 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 2 ms 492 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 2 ms 492 KB Output is correct
31 Correct 2 ms 640 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 575 ms 31852 KB Output is correct
34 Correct 574 ms 31916 KB Output is correct
35 Correct 569 ms 31980 KB Output is correct
36 Correct 578 ms 31852 KB Output is correct
37 Correct 577 ms 31980 KB Output is correct
38 Correct 569 ms 31980 KB Output is correct
39 Correct 600 ms 31980 KB Output is correct
40 Correct 565 ms 31852 KB Output is correct
41 Correct 589 ms 31852 KB Output is correct
42 Correct 573 ms 31852 KB Output is correct
43 Correct 590 ms 31980 KB Output is correct
44 Correct 562 ms 31916 KB Output is correct
45 Correct 569 ms 31916 KB Output is correct
46 Correct 562 ms 31980 KB Output is correct
47 Correct 557 ms 31852 KB Output is correct
48 Correct 559 ms 31916 KB Output is correct
49 Correct 562 ms 31980 KB Output is correct
50 Correct 562 ms 31980 KB Output is correct
51 Correct 560 ms 31980 KB Output is correct
52 Correct 571 ms 31916 KB Output is correct
53 Correct 567 ms 31980 KB Output is correct
54 Correct 557 ms 31980 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 524 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 508 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 2 ms 492 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 2 ms 492 KB Output is correct
25 Correct 2 ms 620 KB Output is correct
26 Correct 2 ms 492 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 2 ms 492 KB Output is correct
30 Correct 2 ms 492 KB Output is correct
31 Correct 2 ms 640 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 575 ms 31852 KB Output is correct
34 Correct 574 ms 31916 KB Output is correct
35 Correct 569 ms 31980 KB Output is correct
36 Correct 578 ms 31852 KB Output is correct
37 Correct 577 ms 31980 KB Output is correct
38 Correct 569 ms 31980 KB Output is correct
39 Correct 600 ms 31980 KB Output is correct
40 Correct 565 ms 31852 KB Output is correct
41 Correct 589 ms 31852 KB Output is correct
42 Correct 573 ms 31852 KB Output is correct
43 Correct 590 ms 31980 KB Output is correct
44 Correct 562 ms 31916 KB Output is correct
45 Correct 569 ms 31916 KB Output is correct
46 Correct 562 ms 31980 KB Output is correct
47 Correct 557 ms 31852 KB Output is correct
48 Correct 559 ms 31916 KB Output is correct
49 Correct 562 ms 31980 KB Output is correct
50 Correct 562 ms 31980 KB Output is correct
51 Correct 560 ms 31980 KB Output is correct
52 Correct 571 ms 31916 KB Output is correct
53 Correct 567 ms 31980 KB Output is correct
54 Correct 557 ms 31980 KB Output is correct
55 Correct 562 ms 31852 KB Output is correct
56 Correct 563 ms 31852 KB Output is correct
57 Correct 567 ms 32012 KB Output is correct
58 Correct 580 ms 31916 KB Output is correct
59 Correct 570 ms 31916 KB Output is correct
60 Correct 574 ms 31980 KB Output is correct
61 Correct 575 ms 31980 KB Output is correct
62 Correct 575 ms 31980 KB Output is correct
63 Correct 567 ms 31980 KB Output is correct
64 Correct 574 ms 31980 KB Output is correct
65 Correct 558 ms 31852 KB Output is correct
66 Correct 566 ms 31852 KB Output is correct
67 Correct 563 ms 31980 KB Output is correct
68 Correct 566 ms 31852 KB Output is correct
69 Correct 560 ms 31916 KB Output is correct
70 Correct 573 ms 31980 KB Output is correct
71 Correct 570 ms 31916 KB Output is correct
72 Correct 575 ms 31916 KB Output is correct
73 Correct 581 ms 31980 KB Output is correct
74 Correct 571 ms 31980 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 2 ms 492 KB Output is correct
21 Correct 2 ms 492 KB Output is correct
22 Correct 2 ms 492 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 3 ms 524 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 508 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 2 ms 492 KB Output is correct
37 Correct 2 ms 492 KB Output is correct
38 Correct 2 ms 492 KB Output is correct
39 Correct 2 ms 492 KB Output is correct
40 Correct 2 ms 620 KB Output is correct
41 Correct 2 ms 492 KB Output is correct
42 Correct 2 ms 492 KB Output is correct
43 Correct 2 ms 492 KB Output is correct
44 Correct 2 ms 492 KB Output is correct
45 Correct 2 ms 492 KB Output is correct
46 Correct 2 ms 640 KB Output is correct
47 Correct 2 ms 492 KB Output is correct
48 Correct 575 ms 31852 KB Output is correct
49 Correct 574 ms 31916 KB Output is correct
50 Correct 569 ms 31980 KB Output is correct
51 Correct 578 ms 31852 KB Output is correct
52 Correct 577 ms 31980 KB Output is correct
53 Correct 569 ms 31980 KB Output is correct
54 Correct 600 ms 31980 KB Output is correct
55 Correct 565 ms 31852 KB Output is correct
56 Correct 589 ms 31852 KB Output is correct
57 Correct 573 ms 31852 KB Output is correct
58 Correct 590 ms 31980 KB Output is correct
59 Correct 562 ms 31916 KB Output is correct
60 Correct 569 ms 31916 KB Output is correct
61 Correct 562 ms 31980 KB Output is correct
62 Correct 557 ms 31852 KB Output is correct
63 Correct 559 ms 31916 KB Output is correct
64 Correct 562 ms 31980 KB Output is correct
65 Correct 562 ms 31980 KB Output is correct
66 Correct 560 ms 31980 KB Output is correct
67 Correct 571 ms 31916 KB Output is correct
68 Correct 567 ms 31980 KB Output is correct
69 Correct 557 ms 31980 KB Output is correct
70 Correct 562 ms 31852 KB Output is correct
71 Correct 563 ms 31852 KB Output is correct
72 Correct 567 ms 32012 KB Output is correct
73 Correct 580 ms 31916 KB Output is correct
74 Correct 570 ms 31916 KB Output is correct
75 Correct 574 ms 31980 KB Output is correct
76 Correct 575 ms 31980 KB Output is correct
77 Correct 575 ms 31980 KB Output is correct
78 Correct 567 ms 31980 KB Output is correct
79 Correct 574 ms 31980 KB Output is correct
80 Correct 558 ms 31852 KB Output is correct
81 Correct 566 ms 31852 KB Output is correct
82 Correct 563 ms 31980 KB Output is correct
83 Correct 566 ms 31852 KB Output is correct
84 Correct 560 ms 31916 KB Output is correct
85 Correct 573 ms 31980 KB Output is correct
86 Correct 570 ms 31916 KB Output is correct
87 Correct 575 ms 31916 KB Output is correct
88 Correct 581 ms 31980 KB Output is correct
89 Correct 571 ms 31980 KB Output is correct
90 Correct 566 ms 31852 KB Output is correct
91 Correct 587 ms 31980 KB Output is correct
92 Correct 574 ms 31980 KB Output is correct
93 Correct 565 ms 31852 KB Output is correct
94 Correct 568 ms 31852 KB Output is correct
95 Correct 613 ms 31916 KB Output is correct
96 Correct 575 ms 31852 KB Output is correct
97 Correct 577 ms 31852 KB Output is correct
98 Correct 574 ms 31944 KB Output is correct
99 Correct 619 ms 31916 KB Output is correct
100 Correct 456 ms 31900 KB Output is correct
101 Correct 454 ms 31980 KB Output is correct
102 Correct 450 ms 31852 KB Output is correct
103 Correct 550 ms 31900 KB Output is correct
104 Correct 450 ms 31900 KB Output is correct
105 Correct 477 ms 31852 KB Output is correct
106 Correct 482 ms 31980 KB Output is correct
107 Correct 488 ms 31980 KB Output is correct
108 Correct 472 ms 31904 KB Output is correct
109 Correct 499 ms 31900 KB Output is correct
110 Correct 584 ms 31892 KB Output is correct
111 Correct 561 ms 31792 KB Output is correct
112 Correct 556 ms 31892 KB Output is correct
113 Correct 570 ms 31852 KB Output is correct
114 Correct 549 ms 31892 KB Output is correct
115 Correct 555 ms 31980 KB Output is correct
116 Correct 565 ms 31892 KB Output is correct
117 Correct 581 ms 31852 KB Output is correct
118 Correct 547 ms 31892 KB Output is correct
119 Correct 549 ms 31892 KB Output is correct
120 Correct 1 ms 364 KB Output is correct
121 Correct 1 ms 364 KB Output is correct
122 Correct 581 ms 31916 KB Output is correct
123 Correct 589 ms 31852 KB Output is correct
124 Correct 570 ms 31916 KB Output is correct
125 Correct 568 ms 31980 KB Output is correct
126 Correct 568 ms 31960 KB Output is correct
127 Correct 573 ms 31980 KB Output is correct
128 Correct 569 ms 31852 KB Output is correct
129 Correct 563 ms 31980 KB Output is correct
130 Correct 564 ms 32012 KB Output is correct
131 Correct 564 ms 31852 KB Output is correct
132 Correct 574 ms 31980 KB Output is correct
133 Correct 569 ms 31916 KB Output is correct