oj.uz

답안 #1065106

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1065106 2024-08-18T22:52:02 Z vjudge1 축구 경기장 (IOI23_soccer) C++17
65.5 / 100
 354 ms 54884 KB 
#include "bits/stdc++.h"
using namespace std;
int pref[2010][2010],dp[31][31][31][31];
inline int allempty(int col,int l,int r){
    return pref[col][r]==pref[col][l-1];
}
int onetree(int N){
    int x,y;
    for(int i=1;i<=N;i++)
        for(int j=1;j<=N;j++)
            if(!allempty(i,j,j))
                x=i,y=j;
    return N*N-min(x,N-x+1)*min(y,N-y+1);
}
int ifall(int N){
    vector<pair<int,int>>rng(N,{0,-1});
    int oth,oth2=oth=N*N;
    for(int i=1;i<=N;i++) for(int j=1;j<=N;j++) if(allempty(i,j,j))
        rng[i-1].second=j,rng[i-1].first+=!rng[i-1].first*j;
    else oth--,oth2--;
    if(oth==N*N-1) return onetree(N);
    for(auto[i,j]:rng)
        oth-=j-i+1;
    if(oth) return 0;
    for(auto[i,j]:rng)
        for(auto[i2,j2]:rng)
            if(i&&i2&&i<i2&&j<j2)
                return 0;
    for(auto&[i,j]:rng)
        j-=i-1;
    int dec=0;
    for(int i=1;i<N;i++)
        if(rng[i].second<rng[i-1].second)
            dec=1;
        else if(dec&&rng[i].second>rng[i-1].second)
            return 0;
    return oth2;
}
int biggest_stadium(int N, vector<vector<int>> F) {
    for(int i=0;i<N;i++)for(int j=0;j<N;j++)
        pref[i+1][j+1] = F[i][j]+pref[i+1][j];
    if(N>30) return ifall(N);
    memset(dp,-2,sizeof dp);
    int ans=0;
    for(int i=1;i<=N;i++) for(int j=1;j<=N;j++)
        for(int k=j;k<=N;k++) if(allempty(i,j,k))
                ans=max(ans,dp[i][i][j][k]=k-j+1);
    for(int sz=1;sz<N;sz++) {
        for(int c2=sz+1;c2<=N;c2++){
            int c1=c2-sz;
            for(int l1=1;l1<=N;l1++){
                for(int r1=l1;r1<=N;r1++){
                    if(!allempty(c1,l1,r1))goto h1;
                    for(int l2=l1;l2;l2--) for(int r2=r1;r2<=N;r2++)
                        dp[c1][c2][l1][r1]=max(dp[c1][c2][l1][r1],dp[c1+1][c2][l2][r2]);
                    h1:
                    if(!allempty(c2,l1,r1))goto h2;
                    for(int l2=l1;l2;l2--) for(int r2=r1;r2<=N;r2++)
                        dp[c1][c2][l1][r1]=max(dp[c1][c2][l1][r1],dp[c1][c2-1][l2][r2]);
                    h2:
                    ans=max(ans,dp[c1][c2][l1][r1]+=r1-l1+1);
                }
            }
        }
    }
    return ans;
}

Compilation message

soccer.cpp: In function 'int onetree(int)':
soccer.cpp:8:11: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
    8 |     int x,y;
      |           ^
soccer.cpp:8:9: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
    8 |     int x,y;
      |         ^

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3928 KB ok

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3932 KB ok
2 Correct 2 ms 3932 KB ok
3 Correct 2 ms 3932 KB ok
4 Correct 2 ms 3928 KB ok
5 Correct 1 ms 3932 KB ok
6 Correct 1 ms 3932 KB ok
7 Correct 1 ms 860 KB ok
8 Correct 14 ms 5772 KB ok
9 Correct 234 ms 51640 KB ok

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3932 KB ok
2 Correct 2 ms 3932 KB ok
3 Correct 2 ms 3932 KB ok
4 Correct 2 ms 3944 KB ok
5 Correct 2 ms 3932 KB ok
6 Correct 2 ms 4024 KB ok
7 Correct 1 ms 3932 KB ok
8 Correct 3 ms 3932 KB ok
9 Correct 2 ms 3932 KB ok
10 Correct 1 ms 3932 KB ok
11 Correct 1 ms 3952 KB ok
12 Correct 2 ms 3932 KB ok
13 Correct 1 ms 4028 KB ok

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3928 KB ok
2 Correct 2 ms 3932 KB ok
3 Correct 2 ms 3932 KB ok
4 Correct 2 ms 3932 KB ok
5 Correct 2 ms 3944 KB ok
6 Correct 2 ms 3932 KB ok
7 Correct 2 ms 4024 KB ok
8 Correct 1 ms 3932 KB ok
9 Correct 3 ms 3932 KB ok
10 Correct 2 ms 3932 KB ok
11 Correct 1 ms 3932 KB ok
12 Correct 1 ms 3952 KB ok
13 Correct 2 ms 3932 KB ok
14 Correct 1 ms 4028 KB ok
15 Correct 2 ms 3932 KB ok
16 Correct 2 ms 3932 KB ok
17 Correct 1 ms 3932 KB ok
18 Correct 2 ms 3932 KB ok
19 Correct 2 ms 3932 KB ok
20 Correct 2 ms 3932 KB ok
21 Correct 2 ms 3932 KB ok
22 Correct 1 ms 3932 KB ok
23 Correct 2 ms 3932 KB ok
24 Correct 2 ms 3932 KB ok
25 Correct 2 ms 3932 KB ok
26 Correct 2 ms 3932 KB ok

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3928 KB ok
2 Correct 2 ms 3932 KB ok
3 Correct 2 ms 3932 KB ok
4 Correct 2 ms 3932 KB ok
5 Correct 2 ms 3928 KB ok
6 Correct 2 ms 3932 KB ok
7 Correct 2 ms 3944 KB ok
8 Correct 2 ms 3932 KB ok
9 Correct 2 ms 4024 KB ok
10 Correct 1 ms 3932 KB ok
11 Correct 3 ms 3932 KB ok
12 Correct 2 ms 3932 KB ok
13 Correct 1 ms 3932 KB ok
14 Correct 1 ms 3952 KB ok
15 Correct 2 ms 3932 KB ok
16 Correct 1 ms 4028 KB ok
17 Correct 2 ms 3932 KB ok
18 Correct 2 ms 3932 KB ok
19 Correct 1 ms 3932 KB ok
20 Correct 2 ms 3932 KB ok
21 Correct 2 ms 3932 KB ok
22 Correct 2 ms 3932 KB ok
23 Correct 2 ms 3932 KB ok
24 Correct 1 ms 3932 KB ok
25 Correct 2 ms 3932 KB ok
26 Correct 2 ms 3932 KB ok
27 Correct 2 ms 3932 KB ok
28 Correct 2 ms 3932 KB ok
29 Correct 2 ms 3928 KB ok
30 Correct 15 ms 4188 KB ok
31 Correct 10 ms 4188 KB ok
32 Correct 5 ms 4184 KB ok
33 Correct 2 ms 4028 KB ok
34 Correct 5 ms 4184 KB ok
35 Correct 8 ms 4188 KB ok
36 Correct 3 ms 3932 KB ok
37 Correct 5 ms 4188 KB ok
38 Correct 4 ms 4184 KB ok
39 Correct 6 ms 4184 KB ok
40 Correct 17 ms 4184 KB ok
41 Correct 20 ms 4188 KB ok

Subtask #5
4.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3928 KB ok
2 Correct 2 ms 3932 KB ok
3 Correct 2 ms 3932 KB ok
4 Correct 2 ms 3932 KB ok
5 Correct 2 ms 3928 KB ok
6 Correct 2 ms 3932 KB ok
7 Correct 2 ms 3944 KB ok
8 Correct 2 ms 3932 KB ok
9 Correct 2 ms 4024 KB ok
10 Correct 1 ms 3932 KB ok
11 Correct 3 ms 3932 KB ok
12 Correct 2 ms 3932 KB ok
13 Correct 1 ms 3932 KB ok
14 Correct 1 ms 3952 KB ok
15 Correct 2 ms 3932 KB ok
16 Correct 1 ms 4028 KB ok
17 Correct 2 ms 3932 KB ok
18 Correct 2 ms 3932 KB ok
19 Correct 1 ms 3932 KB ok
20 Correct 2 ms 3932 KB ok
21 Correct 2 ms 3932 KB ok
22 Correct 2 ms 3932 KB ok
23 Correct 2 ms 3932 KB ok
24 Correct 1 ms 3932 KB ok
25 Correct 2 ms 3932 KB ok
26 Correct 2 ms 3932 KB ok
27 Correct 2 ms 3932 KB ok
28 Correct 2 ms 3932 KB ok
29 Correct 2 ms 3928 KB ok
30 Correct 15 ms 4188 KB ok
31 Correct 10 ms 4188 KB ok
32 Correct 5 ms 4184 KB ok
33 Correct 2 ms 4028 KB ok
34 Correct 5 ms 4184 KB ok
35 Correct 8 ms 4188 KB ok
36 Correct 3 ms 3932 KB ok
37 Correct 5 ms 4188 KB ok
38 Correct 4 ms 4184 KB ok
39 Correct 6 ms 4184 KB ok
40 Correct 17 ms 4184 KB ok
41 Correct 20 ms 4188 KB ok
42 Partially correct 14 ms 5924 KB partial
43 Partially correct 14 ms 5720 KB partial
44 Partially correct 14 ms 5724 KB partial
45 Partially correct 15 ms 5724 KB partial
46 Partially correct 15 ms 5724 KB partial
47 Partially correct 14 ms 5720 KB partial
48 Correct 15 ms 5720 KB ok
49 Partially correct 15 ms 5724 KB partial
50 Partially correct 15 ms 5720 KB partial
51 Partially correct 15 ms 5724 KB partial
52 Partially correct 14 ms 5900 KB partial
53 Partially correct 14 ms 5724 KB partial
54 Partially correct 14 ms 5720 KB partial
55 Partially correct 14 ms 5772 KB partial
56 Partially correct 15 ms 5776 KB partial
57 Partially correct 14 ms 5724 KB partial
58 Partially correct 14 ms 5920 KB partial
59 Partially correct 14 ms 5724 KB partial

Subtask #6
7.5 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 3928 KB ok
2 Correct 2 ms 3932 KB ok
3 Correct 2 ms 3932 KB ok
4 Correct 2 ms 3932 KB ok
5 Correct 2 ms 3928 KB ok
6 Correct 1 ms 3932 KB ok
7 Correct 1 ms 3932 KB ok
8 Correct 1 ms 860 KB ok
9 Correct 14 ms 5772 KB ok
10 Correct 234 ms 51640 KB ok
11 Correct 2 ms 3932 KB ok
12 Correct 2 ms 3944 KB ok
13 Correct 2 ms 3932 KB ok
14 Correct 2 ms 4024 KB ok
15 Correct 1 ms 3932 KB ok
16 Correct 3 ms 3932 KB ok
17 Correct 2 ms 3932 KB ok
18 Correct 1 ms 3932 KB ok
19 Correct 1 ms 3952 KB ok
20 Correct 2 ms 3932 KB ok
21 Correct 1 ms 4028 KB ok
22 Correct 2 ms 3932 KB ok
23 Correct 2 ms 3932 KB ok
24 Correct 1 ms 3932 KB ok
25 Correct 2 ms 3932 KB ok
26 Correct 2 ms 3932 KB ok
27 Correct 2 ms 3932 KB ok
28 Correct 2 ms 3932 KB ok
29 Correct 1 ms 3932 KB ok
30 Correct 2 ms 3932 KB ok
31 Correct 2 ms 3932 KB ok
32 Correct 2 ms 3932 KB ok
33 Correct 2 ms 3932 KB ok
34 Correct 2 ms 3928 KB ok
35 Correct 15 ms 4188 KB ok
36 Correct 10 ms 4188 KB ok
37 Correct 5 ms 4184 KB ok
38 Correct 2 ms 4028 KB ok
39 Correct 5 ms 4184 KB ok
40 Correct 8 ms 4188 KB ok
41 Correct 3 ms 3932 KB ok
42 Correct 5 ms 4188 KB ok
43 Correct 4 ms 4184 KB ok
44 Correct 6 ms 4184 KB ok
45 Correct 17 ms 4184 KB ok
46 Correct 20 ms 4188 KB ok
47 Partially correct 14 ms 5924 KB partial
48 Partially correct 14 ms 5720 KB partial
49 Partially correct 14 ms 5724 KB partial
50 Partially correct 15 ms 5724 KB partial
51 Partially correct 15 ms 5724 KB partial
52 Partially correct 14 ms 5720 KB partial
53 Correct 15 ms 5720 KB ok
54 Partially correct 15 ms 5724 KB partial
55 Partially correct 15 ms 5720 KB partial
56 Partially correct 15 ms 5724 KB partial
57 Partially correct 14 ms 5900 KB partial
58 Partially correct 14 ms 5724 KB partial
59 Partially correct 14 ms 5720 KB partial
60 Partially correct 14 ms 5772 KB partial
61 Partially correct 15 ms 5776 KB partial
62 Partially correct 14 ms 5724 KB partial
63 Partially correct 14 ms 5920 KB partial
64 Partially correct 14 ms 5724 KB partial
65 Partially correct 207 ms 51536 KB partial
66 Partially correct 229 ms 51540 KB partial
67 Partially correct 226 ms 51496 KB partial
68 Partially correct 205 ms 51588 KB partial
69 Partially correct 211 ms 51716 KB partial
70 Partially correct 211 ms 51540 KB partial
71 Partially correct 212 ms 51540 KB partial
72 Partially correct 206 ms 51692 KB partial
73 Correct 213 ms 53752 KB ok
74 Correct 220 ms 53584 KB ok
75 Partially correct 213 ms 53740 KB partial
76 Partially correct 210 ms 53532 KB partial
77 Partially correct 225 ms 53584 KB partial
78 Partially correct 218 ms 53532 KB partial
79 Partially correct 354 ms 53728 KB partial
80 Partially correct 207 ms 53536 KB partial
81 Partially correct 203 ms 53740 KB partial
82 Partially correct 209 ms 53764 KB partial
83 Partially correct 216 ms 53588 KB partial
84 Partially correct 219 ms 53588 KB partial
85 Partially correct 222 ms 53584 KB partial
86 Partially correct 207 ms 53556 KB partial
87 Partially correct 215 ms 53584 KB partial
88 Partially correct 219 ms 53588 KB partial
89 Partially correct 209 ms 53548 KB partial
90 Partially correct 234 ms 54612 KB partial
91 Partially correct 210 ms 54684 KB partial
92 Partially correct 217 ms 54608 KB partial
93 Partially correct 214 ms 54680 KB partial
94 Partially correct 210 ms 54612 KB partial
95 Partially correct 210 ms 54608 KB partial
96 Partially correct 223 ms 54612 KB partial
97 Partially correct 214 ms 54732 KB partial
98 Partially correct 201 ms 54608 KB partial
99 Partially correct 209 ms 54776 KB partial
100 Partially correct 226 ms 54608 KB partial
101 Partially correct 208 ms 54576 KB partial
102 Partially correct 214 ms 54884 KB partial
103 Partially correct 202 ms 54616 KB partial
104 Partially correct 208 ms 54608 KB partial
105 Partially correct 206 ms 54612 KB partial
106 Partially correct 215 ms 54560 KB partial
107 Partially correct 224 ms 54640 KB partial
108 Partially correct 224 ms 54612 KB partial
109 Partially correct 224 ms 54800 KB partial