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답안 #534795

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
534795 2022-03-09T01:58:53 Z i_am_noob Let's Win the Election (JOI22_ho_t3) C++17
100 / 100
 823 ms 993768 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast,unroll-loops")

#define ll long long
#define int ll
#define ull unsigned ll
#define ld long double
#define rep(a) rep1(i,a)
#define rep1(i,a) rep2(i,0,a)
#define rep2(i,b,a) for(int i=(b); i<((int)(a)); i++)
#define rep3(i,b,a) for(int i=(b); i>=((int)(a)); i--)
#define chkmin(a,b) (a=min(a,b))
#define chkmax(a,b) (a=max(a,b))
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define pb push_back
//#define inf 1010000000
#define inf 4000000000000000000
#define eps 1e-9
#define sz(a) ((int)a.size())
#define pow2(x) (1ll<<(x))
#define ceiling(a,b) (((a)+(b)-1)/(b))
#define print0(a) cout << (a) << ' '
#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);}
#else
#define bug(...) 777771449
#endif

const int mod=1000000007;
const int maxn=505,maxm=5,maxk=7777714;

//i_am_noob
int n,k;
pair<double,double> a[maxn];
double res=inf;
double dp[maxn][maxn][maxn];

bool cmp(pair<double,double> x, pair<double,double> y){return x.second<y.second;}

void orzck(){
    cin >> n >> k;
    rep(n){
        int x,y;
        cin >> x >> y;
        if(y==-1) y=1e9;
        a[i].first=x,a[i].second=y;
    }
    sort(a,a+n,cmp);
    rep(n+1) rep1(j,n+1) dp[i][0][j]=inf;
    rep(n+1) dp[i][0][0]=0;
    rep(n+1){
        rep2(j,1,n+1) rep1(k,i+1){
            dp[i][j][k]=inf;
            if(k>0) chkmin(dp[i][j][k],dp[i][j-1][k-1]+a[j-1].second/k);
            chkmin(dp[i][j][k],dp[i][j-1][k]+a[j-1].first/(i+1));
        }
    }
    bug("de");
    multiset<double> st;
    double tot=0;
    rep3(i,n,0){
        if(i<n) st.insert(a[i].first);
        if(i>k) continue;
        if(i<k){
            tot+=*st.begin();
            st.erase(st.begin());
        }
        bug(i,tot);
        rep1(j,i+1){
            chkmin(res,dp[j][i][j]+tot/(j+1));
            //bug(i,j,dp[j][i][j]+tot/(j+1));
        }
    }
    cout << fixed << setprecision(12);
    cout << res << "\n";
}

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    orzck();
    return 0;
}

Compilation message

Main.cpp: In function 'void orzck()':
Main.cpp:31:18: warning: statement has no effect [-Wunused-value]
   31 | #define bug(...) 777771449
      |                  ^~~~~~~~~
Main.cpp:63:5: note: in expansion of macro 'bug'
   63 |     bug("de");
      |     ^~~
Main.cpp:31:18: warning: statement has no effect [-Wunused-value]
   31 | #define bug(...) 777771449
      |                  ^~~~~~~~~
Main.cpp:73:9: note: in expansion of macro 'bug'
   73 |         bug(i,tot);
      |         ^~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 823 ms 993568 KB Output is correct
6 Correct 777 ms 993532 KB Output is correct
7 Correct 781 ms 993512 KB Output is correct
8 Correct 781 ms 993440 KB Output is correct
9 Correct 782 ms 993452 KB Output is correct
10 Correct 775 ms 993460 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 823 ms 993568 KB Output is correct
6 Correct 777 ms 993532 KB Output is correct
7 Correct 781 ms 993512 KB Output is correct
8 Correct 781 ms 993440 KB Output is correct
9 Correct 782 ms 993452 KB Output is correct
10 Correct 775 ms 993460 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 764 ms 993448 KB Output is correct
13 Correct 778 ms 993520 KB Output is correct
14 Correct 807 ms 993568 KB Output is correct
15 Correct 758 ms 993580 KB Output is correct
16 Correct 757 ms 993768 KB Output is correct
17 Correct 786 ms 993676 KB Output is correct
18 Correct 772 ms 993604 KB Output is correct
19 Correct 779 ms 993452 KB Output is correct
20 Correct 764 ms 993464 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 580 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 576 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 588 KB Output is correct

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 580 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 576 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 2 ms 2124 KB Output is correct
17 Correct 1 ms 2120 KB Output is correct
18 Correct 1 ms 2124 KB Output is correct
19 Correct 1 ms 2124 KB Output is correct
20 Correct 1 ms 2124 KB Output is correct
21 Correct 2 ms 2124 KB Output is correct
22 Correct 1 ms 2116 KB Output is correct
23 Correct 1 ms 2124 KB Output is correct
24 Correct 1 ms 2116 KB Output is correct
25 Correct 1 ms 2124 KB Output is correct
26 Correct 1 ms 2124 KB Output is correct
27 Correct 2 ms 2124 KB Output is correct
28 Correct 1 ms 2124 KB Output is correct
29 Correct 1 ms 2124 KB Output is correct
30 Correct 1 ms 2124 KB Output is correct
31 Correct 1 ms 2124 KB Output is correct
32 Correct 1 ms 2124 KB Output is correct
33 Correct 1 ms 2124 KB Output is correct
34 Correct 1 ms 2116 KB Output is correct
35 Correct 1 ms 2124 KB Output is correct
36 Correct 2 ms 2124 KB Output is correct
37 Correct 1 ms 2124 KB Output is correct
38 Correct 1 ms 2124 KB Output is correct
39 Correct 2 ms 2116 KB Output is correct
40 Correct 1 ms 2124 KB Output is correct

Subtask #5
33.0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 580 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 576 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 2 ms 2124 KB Output is correct
17 Correct 1 ms 2120 KB Output is correct
18 Correct 1 ms 2124 KB Output is correct
19 Correct 1 ms 2124 KB Output is correct
20 Correct 1 ms 2124 KB Output is correct
21 Correct 2 ms 2124 KB Output is correct
22 Correct 1 ms 2116 KB Output is correct
23 Correct 1 ms 2124 KB Output is correct
24 Correct 1 ms 2116 KB Output is correct
25 Correct 1 ms 2124 KB Output is correct
26 Correct 1 ms 2124 KB Output is correct
27 Correct 2 ms 2124 KB Output is correct
28 Correct 1 ms 2124 KB Output is correct
29 Correct 1 ms 2124 KB Output is correct
30 Correct 1 ms 2124 KB Output is correct
31 Correct 1 ms 2124 KB Output is correct
32 Correct 1 ms 2124 KB Output is correct
33 Correct 1 ms 2124 KB Output is correct
34 Correct 1 ms 2116 KB Output is correct
35 Correct 1 ms 2124 KB Output is correct
36 Correct 2 ms 2124 KB Output is correct
37 Correct 1 ms 2124 KB Output is correct
38 Correct 1 ms 2124 KB Output is correct
39 Correct 2 ms 2116 KB Output is correct
40 Correct 1 ms 2124 KB Output is correct
41 Correct 21 ms 40992 KB Output is correct
42 Correct 20 ms 40908 KB Output is correct
43 Correct 20 ms 40896 KB Output is correct
44 Correct 21 ms 40908 KB Output is correct
45 Correct 20 ms 40996 KB Output is correct
46 Correct 20 ms 40904 KB Output is correct
47 Correct 21 ms 40924 KB Output is correct
48 Correct 20 ms 40900 KB Output is correct
49 Correct 21 ms 40908 KB Output is correct
50 Correct 22 ms 41008 KB Output is correct
51 Correct 21 ms 40952 KB Output is correct
52 Correct 21 ms 40892 KB Output is correct
53 Correct 20 ms 40904 KB Output is correct
54 Correct 20 ms 40900 KB Output is correct
55 Correct 24 ms 40940 KB Output is correct
56 Correct 20 ms 40984 KB Output is correct
57 Correct 20 ms 41008 KB Output is correct
58 Correct 21 ms 40924 KB Output is correct
59 Correct 19 ms 40908 KB Output is correct
60 Correct 20 ms 40908 KB Output is correct

Subtask #6
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 790 ms 993576 KB Output is correct
2 Correct 765 ms 993532 KB Output is correct
3 Correct 772 ms 993472 KB Output is correct
4 Correct 761 ms 993464 KB Output is correct
5 Correct 767 ms 993472 KB Output is correct
6 Correct 767 ms 993476 KB Output is correct
7 Correct 764 ms 993472 KB Output is correct

Subtask #7
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 823 ms 993568 KB Output is correct
6 Correct 777 ms 993532 KB Output is correct
7 Correct 781 ms 993512 KB Output is correct
8 Correct 781 ms 993440 KB Output is correct
9 Correct 782 ms 993452 KB Output is correct
10 Correct 775 ms 993460 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 764 ms 993448 KB Output is correct
13 Correct 778 ms 993520 KB Output is correct
14 Correct 807 ms 993568 KB Output is correct
15 Correct 758 ms 993580 KB Output is correct
16 Correct 757 ms 993768 KB Output is correct
17 Correct 786 ms 993676 KB Output is correct
18 Correct 772 ms 993604 KB Output is correct
19 Correct 779 ms 993452 KB Output is correct
20 Correct 764 ms 993464 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 588 KB Output is correct
24 Correct 1 ms 588 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 1 ms 588 KB Output is correct
27 Correct 1 ms 588 KB Output is correct
28 Correct 1 ms 580 KB Output is correct
29 Correct 1 ms 588 KB Output is correct
30 Correct 1 ms 588 KB Output is correct
31 Correct 1 ms 588 KB Output is correct
32 Correct 1 ms 576 KB Output is correct
33 Correct 1 ms 588 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 588 KB Output is correct
36 Correct 2 ms 2124 KB Output is correct
37 Correct 1 ms 2120 KB Output is correct
38 Correct 1 ms 2124 KB Output is correct
39 Correct 1 ms 2124 KB Output is correct
40 Correct 1 ms 2124 KB Output is correct
41 Correct 2 ms 2124 KB Output is correct
42 Correct 1 ms 2116 KB Output is correct
43 Correct 1 ms 2124 KB Output is correct
44 Correct 1 ms 2116 KB Output is correct
45 Correct 1 ms 2124 KB Output is correct
46 Correct 1 ms 2124 KB Output is correct
47 Correct 2 ms 2124 KB Output is correct
48 Correct 1 ms 2124 KB Output is correct
49 Correct 1 ms 2124 KB Output is correct
50 Correct 1 ms 2124 KB Output is correct
51 Correct 1 ms 2124 KB Output is correct
52 Correct 1 ms 2124 KB Output is correct
53 Correct 1 ms 2124 KB Output is correct
54 Correct 1 ms 2116 KB Output is correct
55 Correct 1 ms 2124 KB Output is correct
56 Correct 2 ms 2124 KB Output is correct
57 Correct 1 ms 2124 KB Output is correct
58 Correct 1 ms 2124 KB Output is correct
59 Correct 2 ms 2116 KB Output is correct
60 Correct 1 ms 2124 KB Output is correct
61 Correct 21 ms 40992 KB Output is correct
62 Correct 20 ms 40908 KB Output is correct
63 Correct 20 ms 40896 KB Output is correct
64 Correct 21 ms 40908 KB Output is correct
65 Correct 20 ms 40996 KB Output is correct
66 Correct 20 ms 40904 KB Output is correct
67 Correct 21 ms 40924 KB Output is correct
68 Correct 20 ms 40900 KB Output is correct
69 Correct 21 ms 40908 KB Output is correct
70 Correct 22 ms 41008 KB Output is correct
71 Correct 21 ms 40952 KB Output is correct
72 Correct 21 ms 40892 KB Output is correct
73 Correct 20 ms 40904 KB Output is correct
74 Correct 20 ms 40900 KB Output is correct
75 Correct 24 ms 40940 KB Output is correct
76 Correct 20 ms 40984 KB Output is correct
77 Correct 20 ms 41008 KB Output is correct
78 Correct 21 ms 40924 KB Output is correct
79 Correct 19 ms 40908 KB Output is correct
80 Correct 20 ms 40908 KB Output is correct
81 Correct 790 ms 993576 KB Output is correct
82 Correct 765 ms 993532 KB Output is correct
83 Correct 772 ms 993472 KB Output is correct
84 Correct 761 ms 993464 KB Output is correct
85 Correct 767 ms 993472 KB Output is correct
86 Correct 767 ms 993476 KB Output is correct
87 Correct 764 ms 993472 KB Output is correct
88 Correct 768 ms 993448 KB Output is correct
89 Correct 753 ms 993468 KB Output is correct
90 Correct 764 ms 993644 KB Output is correct
91 Correct 765 ms 993476 KB Output is correct
92 Correct 779 ms 993532 KB Output is correct
93 Correct 774 ms 993440 KB Output is correct
94 Correct 821 ms 993588 KB Output is correct
95 Correct 792 ms 993460 KB Output is correct
96 Correct 769 ms 993456 KB Output is correct
97 Correct 752 ms 993544 KB Output is correct
98 Correct 752 ms 993476 KB Output is correct
99 Correct 771 ms 993476 KB Output is correct
100 Correct 785 ms 993480 KB Output is correct
101 Correct 758 ms 993644 KB Output is correct
102 Correct 770 ms 993680 KB Output is correct
103 Correct 765 ms 993476 KB Output is correct
104 Correct 759 ms 993648 KB Output is correct
105 Correct 761 ms 993516 KB Output is correct