Submission #580264

#	Time	Username	Problem	Language	Result	Execution time	Memory
580264		rc_catunta	Mutating DNA (IOI21_dna)	C++17	0 / 100	40 ms	3652 KiB

dna

#include "dna.h"
#include <algorithm>

using namespace std;

string sa, sb;

void init(string a, string b) {
	sa = a;
	sb = b;
}

bool posible_transformar(string a, string b){
	sort(a.begin(),a.end());
	sort(b.begin(),b.end());
	return a==b;
}

int get_distance(int x, int y) {
	if(x==y) return 0;
	string a = sa.substr(x,y-x+1);
	string b = sb.substr(x,y-x+1);
	if(a==b) return 0;
	if(posible_transformar(a,b)){
		if(y-x==1) return 1;
		// Contar letras igual
		int cont = 0;
		for(int i=0;i<a.size();i++){
			if(a[i]==b[i]) cont++;
		}
		if(cont==1) return 1;
		else return 2;
	}
	else return -1;
}

Compilation message (stderr)

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:28:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   for(int i=0;i<a.size();i++){
      |               ~^~~~~~~~~

• Subtask 1: 0 / 21
• Subtask 2: 0 / 22
• Subtask 3: 0 / 13
• Subtask 4: 0 / 28
• Subtask 5: 0 / 16