oj.uz

Submission #590401

# Submission time Handle Problem Language Result Execution time Memory
590401 2022-07-05T22:16:36 Z dnialh The Kingdom of JOIOI (JOI17_joioi) PyPy 3
60 / 100
 901 ms 262144 KB 
import sys as sus
input = sus.stdin.readline

from bisect import bisect_right as bi

h, w = map(int, input().split())

def rot(b):
    bb = b[::-1]

    nb = []
    for i in range(len(bb[0])):
        curr = []
        for l in bb:
            curr.append(l[i])
        nb.append(curr)
        
    global w, h
    w, h = h, w
    
    return nb

board = [list(map(int, input().split())) for _ in range(h)]

smol = min(min(l) for l in board)

for l in board:
    for i in range(w):
        l[i] -= smol

tol = max(max(l) for l in board)

#


out = []
for _ in range(4):
    lo = -1
    hi = tol

    pref_max = []
    suff_min = []
    
    for l in board:
        pf = [0]
        for v in l:
            pf.append(max(pf[-1], v))
        pref_max.append(pf)

        suff = [1000000000]
        for v in l[::-1]:
            suff.append(min(suff[-1], v))
        suff_min.append(suff)
            
    
    while hi - lo > 1:
        test = (lo + hi) // 2
        
        far = w
        good = True
        
        for i in range(h):
            ind = bi(pref_max[i], test) - 1
            far = min(ind, far)
            ot = suff_min[i][w - far]
            
            #if test == 8:
            #    print(i, ind, far, ot)
            
            if ot < tol - test:
                good = False
                break

        if good:
            hi = test
        else:
            lo = test

    out.append(hi)

    board = rot(board)

print(min(out))

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 18220 KB Output is correct
2 Correct 38 ms 18220 KB Output is correct
3 Correct 45 ms 19056 KB Output is correct
4 Correct 47 ms 18860 KB Output is correct
5 Correct 47 ms 18796 KB Output is correct
6 Correct 43 ms 18760 KB Output is correct
7 Correct 59 ms 18920 KB Output is correct
8 Correct 43 ms 18756 KB Output is correct
9 Correct 47 ms 18984 KB Output is correct
10 Correct 44 ms 18760 KB Output is correct
11 Correct 46 ms 18808 KB Output is correct
12 Correct 66 ms 18816 KB Output is correct
13 Correct 43 ms 18988 KB Output is correct
14 Correct 44 ms 18784 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 18220 KB Output is correct
2 Correct 38 ms 18220 KB Output is correct
3 Correct 45 ms 19056 KB Output is correct
4 Correct 47 ms 18860 KB Output is correct
5 Correct 47 ms 18796 KB Output is correct
6 Correct 43 ms 18760 KB Output is correct
7 Correct 59 ms 18920 KB Output is correct
8 Correct 43 ms 18756 KB Output is correct
9 Correct 47 ms 18984 KB Output is correct
10 Correct 44 ms 18760 KB Output is correct
11 Correct 46 ms 18808 KB Output is correct
12 Correct 66 ms 18816 KB Output is correct
13 Correct 43 ms 18988 KB Output is correct
14 Correct 44 ms 18784 KB Output is correct
15 Correct 75 ms 20452 KB Output is correct
16 Correct 98 ms 25156 KB Output is correct
17 Correct 117 ms 26444 KB Output is correct
18 Correct 106 ms 26132 KB Output is correct
19 Correct 125 ms 26556 KB Output is correct
20 Correct 139 ms 26380 KB Output is correct
21 Correct 105 ms 26112 KB Output is correct
22 Correct 121 ms 26472 KB Output is correct
23 Correct 117 ms 26360 KB Output is correct
24 Correct 113 ms 26512 KB Output is correct
25 Correct 117 ms 26332 KB Output is correct
26 Correct 113 ms 26200 KB Output is correct
27 Correct 103 ms 26016 KB Output is correct
28 Correct 118 ms 26320 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 18220 KB Output is correct
2 Correct 38 ms 18220 KB Output is correct
3 Correct 45 ms 19056 KB Output is correct
4 Correct 47 ms 18860 KB Output is correct
5 Correct 47 ms 18796 KB Output is correct
6 Correct 43 ms 18760 KB Output is correct
7 Correct 59 ms 18920 KB Output is correct
8 Correct 43 ms 18756 KB Output is correct
9 Correct 47 ms 18984 KB Output is correct
10 Correct 44 ms 18760 KB Output is correct
11 Correct 46 ms 18808 KB Output is correct
12 Correct 66 ms 18816 KB Output is correct
13 Correct 43 ms 18988 KB Output is correct
14 Correct 44 ms 18784 KB Output is correct
15 Correct 75 ms 20452 KB Output is correct
16 Correct 98 ms 25156 KB Output is correct
17 Correct 117 ms 26444 KB Output is correct
18 Correct 106 ms 26132 KB Output is correct
19 Correct 125 ms 26556 KB Output is correct
20 Correct 139 ms 26380 KB Output is correct
21 Correct 105 ms 26112 KB Output is correct
22 Correct 121 ms 26472 KB Output is correct
23 Correct 117 ms 26360 KB Output is correct
24 Correct 113 ms 26512 KB Output is correct
25 Correct 117 ms 26332 KB Output is correct
26 Correct 113 ms 26200 KB Output is correct
27 Correct 103 ms 26016 KB Output is correct
28 Correct 118 ms 26320 KB Output is correct
29 Runtime error 901 ms 262144 KB Execution killed with signal 9
30 Halted 0 ms 0 KB -