Submission #551151

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
551151	2022-04-19T23:26:38 Z	DanerZein	Let's Win the Election (JOI22_ho_t3)	C++14	56 / 100	2500 ms	1004328 KB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<double,double> dd;
const int MAX=1e9;
bool orden(dd a,dd b){
  if(a.second==b.second) return a.first<b.first;
  return a.second<b.second;
}
int n;
vector<dd> st;
double ka;
double dp[510][510][510];
double knap(int id,int k,int ca){
  if(dp[id][k][ca]!=-1) return dp[id][k][ca];
  if(id==n) {
    if(ca==0 && k==ka) return 0;
    return MAX;
  }
  double ans=knap(id+1,k,ca);
  if(ca!=0){
    ans=min(ans,knap(id+1,k,ca-1)+st[id].first/(ka+1));
    if(k!=ka)
      ans=min(ans,knap(id+1,k+1,ca-1)+st[id].second/(double)(k+1));
  }
  return dp[id][k][ca]=ans;
}
int main(){
  int k; scanf("%d%d",&n,&k);
  for(int i=0;i<n;i++){
    int a,b; scanf("%d%d",&a,&b);
    if(b==-1) b=MAX;
    st.push_back(dd(a,b));
  }
  sort(st.begin(),st.end(),orden);
  double res=MAX;
  for(int i=0;i<k;i++){
    ka=i;
    for(int id=0;id<=n;id++) for(int kk=0;kk<=n;kk++) for(int ca=0;ca<=n;ca++) dp[id][kk][ca]=-1;
    double rp=knap(0,0,k);
    //cout<<i<<": "<<rp<<endl;
    res=min(res,rp);
  }
  printf("%.15f\n",res);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:29:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |   int k; scanf("%d%d",&n,&k);
      |          ~~~~~^~~~~~~~~~~~~~
Main.cpp:31:19: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |     int a,b; scanf("%d%d",&a,&b);
      |              ~~~~~^~~~~~~~~~~~~~

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	276 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Execution timed out	2625 ms	1004316 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Subtask #2
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	276 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Execution timed out	2625 ms	1004316 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	564 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	1 ms	568 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	568 KB	Output is correct
8	Correct	1 ms	596 KB	Output is correct
9	Correct	1 ms	544 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	1 ms	596 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	596 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	564 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	1 ms	568 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	568 KB	Output is correct
8	Correct	1 ms	596 KB	Output is correct
9	Correct	1 ms	544 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	1 ms	596 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	596 KB	Output is correct
16	Correct	1 ms	2132 KB	Output is correct
17	Correct	1 ms	2132 KB	Output is correct
18	Correct	1 ms	2132 KB	Output is correct
19	Correct	2 ms	2132 KB	Output is correct
20	Correct	2 ms	2132 KB	Output is correct
21	Correct	1 ms	2108 KB	Output is correct
22	Correct	2 ms	2132 KB	Output is correct
23	Correct	2 ms	2132 KB	Output is correct
24	Correct	2 ms	2132 KB	Output is correct
25	Correct	2 ms	2132 KB	Output is correct
26	Correct	2 ms	2132 KB	Output is correct
27	Correct	2 ms	2132 KB	Output is correct
28	Correct	1 ms	2132 KB	Output is correct
29	Correct	2 ms	2132 KB	Output is correct
30	Correct	2 ms	2132 KB	Output is correct
31	Correct	2 ms	2132 KB	Output is correct
32	Correct	2 ms	2132 KB	Output is correct
33	Correct	2 ms	2132 KB	Output is correct
34	Correct	2 ms	2132 KB	Output is correct
35	Correct	2 ms	2132 KB	Output is correct
36	Correct	1 ms	2132 KB	Output is correct
37	Correct	2 ms	2132 KB	Output is correct
38	Correct	2 ms	2104 KB	Output is correct
39	Correct	2 ms	2132 KB	Output is correct
40	Correct	2 ms	2132 KB	Output is correct

Subtask #5
33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	468 KB	Output is correct
2	Correct	1 ms	564 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	1 ms	568 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	1 ms	568 KB	Output is correct
8	Correct	1 ms	596 KB	Output is correct
9	Correct	1 ms	544 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	1 ms	596 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	596 KB	Output is correct
16	Correct	1 ms	2132 KB	Output is correct
17	Correct	1 ms	2132 KB	Output is correct
18	Correct	1 ms	2132 KB	Output is correct
19	Correct	2 ms	2132 KB	Output is correct
20	Correct	2 ms	2132 KB	Output is correct
21	Correct	1 ms	2108 KB	Output is correct
22	Correct	2 ms	2132 KB	Output is correct
23	Correct	2 ms	2132 KB	Output is correct
24	Correct	2 ms	2132 KB	Output is correct
25	Correct	2 ms	2132 KB	Output is correct
26	Correct	2 ms	2132 KB	Output is correct
27	Correct	2 ms	2132 KB	Output is correct
28	Correct	1 ms	2132 KB	Output is correct
29	Correct	2 ms	2132 KB	Output is correct
30	Correct	2 ms	2132 KB	Output is correct
31	Correct	2 ms	2132 KB	Output is correct
32	Correct	2 ms	2132 KB	Output is correct
33	Correct	2 ms	2132 KB	Output is correct
34	Correct	2 ms	2132 KB	Output is correct
35	Correct	2 ms	2132 KB	Output is correct
36	Correct	1 ms	2132 KB	Output is correct
37	Correct	2 ms	2132 KB	Output is correct
38	Correct	2 ms	2104 KB	Output is correct
39	Correct	2 ms	2132 KB	Output is correct
40	Correct	2 ms	2132 KB	Output is correct
41	Correct	53 ms	41380 KB	Output is correct
42	Correct	48 ms	41428 KB	Output is correct
43	Correct	100 ms	41440 KB	Output is correct
44	Correct	97 ms	41400 KB	Output is correct
45	Correct	206 ms	41428 KB	Output is correct
46	Correct	204 ms	41372 KB	Output is correct
47	Correct	332 ms	41428 KB	Output is correct
48	Correct	345 ms	41428 KB	Output is correct
49	Correct	485 ms	41428 KB	Output is correct
50	Correct	481 ms	41428 KB	Output is correct
51	Correct	670 ms	41428 KB	Output is correct
52	Correct	668 ms	41428 KB	Output is correct
53	Correct	337 ms	41384 KB	Output is correct
54	Correct	333 ms	41424 KB	Output is correct
55	Correct	345 ms	41428 KB	Output is correct
56	Correct	334 ms	41424 KB	Output is correct
57	Correct	336 ms	41428 KB	Output is correct
58	Correct	329 ms	41428 KB	Output is correct
59	Correct	347 ms	41548 KB	Output is correct
60	Correct	329 ms	41428 KB	Output is correct

Subtask #6
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	2656 ms	1004328 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	0 ms	276 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Execution timed out	2625 ms	1004316 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-

Submission #551151

Compilation message

Subtask #1 0 / 5.0

Subtask #2 0 / 5.0

Subtask #3 11.0 / 11.0

Subtask #4 12.0 / 12.0

Subtask #5 33.0 / 33.0

Subtask #6 0 / 11.0

Subtask #7 0 / 23.0

Subtask #1
0 / 5.0

Subtask #2
0 / 5.0

Subtask #3
11.0 / 11.0

Subtask #4
12.0 / 12.0

Subtask #5
33.0 / 33.0

Subtask #6
0 / 11.0

Subtask #7
0 / 23.0