Wrong Answer in "GNU C++20 (64)" Accepted in "GNU C++17"

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
4 days
Register now »

*has extra registration

→ Streams

DP Bitmask - Topic Stream

By Shayan

Before stream 07:16:47

View all →

→ Top rated

#	User	Rating
1	tourist	4009
2	jiangly	3823
3	Benq	3738
4	Radewoosh	3633
5	jqdai0815	3620
6	orzdevinwang	3529
7	ecnerwala	3446
8	Um_nik	3396
9	ksun48	3390
10	gamegame	3386

Countries | Cities | Organizations

View all →

→ Top contributors

#	User	Contrib.
1	cry	167
2	maomao90	163
2	Um_nik	163
4	atcoder_official	161
5	adamant	159
6	-is-this-fft-	158
7	awoo	157
8	TheScrasse	154
9	nor	153
9	Dominater069	153

View all →

→ Find user

→ Recent actions

Detailed →

RubayedMunna's blog

Wrong Answer in "GNU C++20 (64)" Accepted in "GNU C++17"

By RubayedMunna, history, 3 years ago, In English

I have used same code. I got WA on 45 test using "GNU C++20(64)" compiler but got accepted using "GNU C++17" compiler. Why?

Here is The code: https://codeforces.net/contest/217/submission/151172349

RubayedMunna
3 years ago
3

Comments (3)

Write comment?

balalaika

3 years ago, # |

"I have used same code"... but no?

st.insert(parent1[i]);

st.insert(find_set1(i));

not same

→ Reply

RubayedMunna

3 years ago, # ^ |

-8

I think this is not an issue. Becaues, find_set1(i) returns value of parent1[i].

parent1[i] stores the parent of ' i '

→ Reply

balalaika

3 years ago, # ^ |

Did you read your own code? find_set1 change parent1

ll find_set1(ll v)
{
    if(parent1[v]==v)
    {
        return parent1[v];
    }
    else
    {
        return parent1[v]=find_set1(parent1[v]);
    }
}

And your AC code surely works in C++20 too.
https://codeforces.net/contest/217/submission/151179650

And your WA code surely too not works in C++17
https://codeforces.net/contest/217/submission/151179740

→ Reply