Submission #3782873


Source Code Expand

N = int(input())
A = list(map(int, input().split()))

M, X, Xi = 0, 0, 1
for i, a in enumerate(A, start=1):
    if abs(a) > M:
        M = abs(a)
        X = a
        Xi = i

if X > 0:
    ans = []
    for i in range(N):
        A[i] += X
        ans.append((Xi, i + 1))

    for i in range(N - 1):
        A[i + 1] += A[i]
        ans.append((i + 1, i + 2))

    print(len(ans))
    for x, y in ans:
        print(x, y)

else:
    ans = []
    for i in range(N):
        A[i] += X
        ans.append((Xi, i + 1))

    for i in range(N - 1, 0, -1):
        A[i - 1] += A[i]
        ans.append((i + 1, i))

    print(len(ans))
    for x, y in ans:
        print(x, y)

Submission Info

Submission Time
Task D - Non-decreasing
User AT274
Language Python (3.4.3)
Score 600
Code Size 705 Byte
Status AC
Exec Time 18 ms
Memory 3064 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 600 / 600
Status
AC × 3
AC × 42
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt, 00_example_03.txt
All 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 17 ms 3064 KB
00_example_02.txt AC 17 ms 3064 KB
00_example_03.txt AC 17 ms 3064 KB
01.txt AC 17 ms 3064 KB
02.txt AC 17 ms 3064 KB
03.txt AC 17 ms 3064 KB
04.txt AC 17 ms 3064 KB
05.txt AC 17 ms 3064 KB
06.txt AC 17 ms 3064 KB
07.txt AC 17 ms 3064 KB
08.txt AC 18 ms 3064 KB
09.txt AC 17 ms 3064 KB
10.txt AC 17 ms 3064 KB
11.txt AC 17 ms 3064 KB
12.txt AC 17 ms 3064 KB
13.txt AC 17 ms 3064 KB
14.txt AC 17 ms 3064 KB
15.txt AC 17 ms 3064 KB
16.txt AC 17 ms 3064 KB
17.txt AC 17 ms 3064 KB
18.txt AC 17 ms 3064 KB
19.txt AC 17 ms 3064 KB
20.txt AC 17 ms 3064 KB
21.txt AC 17 ms 3064 KB
22.txt AC 17 ms 3064 KB
23.txt AC 17 ms 3064 KB
24.txt AC 17 ms 3064 KB
25.txt AC 17 ms 3064 KB
26.txt AC 17 ms 3064 KB
27.txt AC 17 ms 3064 KB
28.txt AC 17 ms 3064 KB
29.txt AC 17 ms 3064 KB
30.txt AC 17 ms 3064 KB
31.txt AC 18 ms 3064 KB
32.txt AC 17 ms 3064 KB
33.txt AC 18 ms 3064 KB
34.txt AC 17 ms 3064 KB
35.txt AC 17 ms 3064 KB
36.txt AC 17 ms 3064 KB
37.txt AC 17 ms 3064 KB
38.txt AC 18 ms 3064 KB
39.txt AC 17 ms 3064 KB