Submission #1536292

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Source Code Expand

import sequtils,strutils
var
    R,C,M : int
(R, C, M) = stdin.readline.split.map(parseInt)
var
    N = stdin.readline.parseInt
    r1,r2,c1,c2 : int
    ans = newSeq[int](0)
    hyou : array[52, array[52, int]]
    T : array[5001, array[4, int]]
    K : int
for n in 1..N:
    (r1,r2,c1,c2) = stdin.readline.split.map(parseInt)
    T[n] = [r1,r2,c1,c2]
    hyou[r1][c1] += 1
    hyou[r2 + 1][c1] -= 1
    hyou[r1][c2 + 1] -= 1
    hyou[r2 + 1][c2 + 1] += 1
for r in 1..R:
    for c in 1..C:
        hyou[r][c] += hyou[r - 1][c] + hyou[r][c - 1] - hyou[r - 1][c - 1]
        if hyou[r][c] mod 4 == 0:
            K += 1
for n,t in T[1..N]:
    (r1,r2,c1,c2) = (t[0],t[1],t[2],t[3])
    var cnt = 0
    for r in r1..r2:
        for c in c1..c2:
            if hyou[r][c] mod 4 == 0:
                cnt -= 1
            elif hyou[r][c] mod 4 == 1:
                cnt += 1
    if cnt == (M - K):
        echo n + 1

Submission Info

Compile Error

Hint: system [Processing]
Hint: Main [Processing]
Hint: sequtils [Processing]
Hint: strutils [Processing]
Hint: parseutils [Processing]
Main.nim(8, 5) Hint: 'ans' is declared but not used [XDeclaredButNotUsed]
Hint:  [Link]
Hint: operation successful (12961 lines compiled; 1.911 sec total; 14.143MB; Release Build) [SuccessX]

Judge Result