Submission #1215584

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215584		bali	Mutating DNA (IOI21_dna)	C++20	Compilation error	0 ms	0 KiB

dna

#include "dna.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
string a;
string b;

void init(std::string aa, std::string bb) {
	a=aa;
	b=bb;
}

int get_distance(int x, int y) {
	ll c=0;ll c2=0;
	for(ll i=x; i<=y; i++)
	{
		if(a[i]!=b[i])
		{
			c++;
		}
		if(a[i]-'T'==0)
		{
			c2++;
		}
		if(b[i]-'T'==0)
		{
			c2--;
		}
	}
	if(c2==0){return c/2;}else{return -1;}
	return 0;
}
#include "dna.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
string a;
string b;

void init(std::string aa, std::string bb) {
	a=aa;
	b=bb;
}

int get_distance(int x, int y) {
	ll c=0;ll c2=0;
	for(ll i=x; i<=y; i++)
	{
		if(a[i]!=b[i])
		{
			c++;
		}
		if(a[i]-'T'==0)
		{
			c2++;
		}
		if(b[i]-'T'==0)
		{
			c2--;
		}
	}
	if(c2==0){return c/2;}else{return -1;}
	return 0;
}

Compilation message (stderr)

dna.cpp:37:8: error: redefinition of 'std::string a'
   37 | string a;
      |        ^
dna.cpp:5:8: note: 'std::string a' previously declared here
    5 | string a;
      |        ^
dna.cpp:38:8: error: redefinition of 'std::string b'
   38 | string b;
      |        ^
dna.cpp:6:8: note: 'std::string b' previously declared here
    6 | string b;
      |        ^
dna.cpp:40:6: error: redefinition of 'void init(std::string, std::string)'
   40 | void init(std::string aa, std::string bb) {
      |      ^~~~
dna.cpp:8:6: note: 'void init(std::string, std::string)' previously defined here
    8 | void init(std::string aa, std::string bb) {
      |      ^~~~
dna.cpp:45:5: error: redefinition of 'int get_distance(int, int)'
   45 | int get_distance(int x, int y) {
      |     ^~~~~~~~~~~~
dna.cpp:13:5: note: 'int get_distance(int, int)' previously defined here
   13 | int get_distance(int x, int y) {
      |     ^~~~~~~~~~~~