In the most recent Div-3 Contest Codeforces Round 1027 (Div. 3), the 3rd problem titled Need More Arrays 2114C - Need More Arrays I submitted a simple C++ program 321476944 but the checker said it is wrong on 
with the output showing as 2 whereas the output showed 3 in multiple online compilers like 
and
, I actually do not care about the wrong submissions but just want to comprehend what the problem might be as to avoid the same in future.
Codeforces Round 1133 (Div. 1, Div. 2) is coming soon! Register here.
→ Pay attention
→ Top rated
| # | User | Rating |
|---|---|---|
| 1 | Benq | 3676 |
| 2 | Kevin114514 | 3659 |
| 3 | jiangly | 3640 |
| 4 | turmax | 3450 |
| 5 | tourist | 3382 |
| 6 | strapple | 3360 |
| 7 | Um_nik | 3354 |
| 8 | squareOf105 | 3348 |
| 9 | maroonrk | 3312 |
| 10 | idontwannadothis…e | 3191 |
→ Top contributors
| # | User | Contrib. |
|---|---|---|
| 1 | Qingyu | 155 |
| 2 | nik_exists | 151 |
| 3 | maspy | 149 |
| 4 | AmShZ | 145 |
| 5 | Um_nik | 143 |
| 6 | Errichto | 139 |
| 7 | BledDest | 136 |
| 8 | adamant | 134 |
| 9 | maroonrk | 132 |
| 10 | cry | 130 |
→ Find user
→ Recent actions
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: Nov/06/2026 22:12:02 (g2).
Desktop version, switch to mobile version.
Supported by
In the last for, you are asking for the $$$n$$$ position, which do not exist. The verdict isn't Runtime error because sometimes C++ just access to the memory space and gets garbage.