Submission #484613

#	Time	Username	Problem	Language	Result	Execution time	Memory
484613		MrDeboo	Mutating DNA (IOI21_dna)	C++17	Compilation error	0 ms	0 KiB

dna

#include "dna.h"
using namespace std;
string a,b;
void init(std::string A, std::string B) {
	a=A;
	b=B;
}

int get_distance(int l, int r) {
	vector<int>v(26);
	for(int i=l;i<=r;i++){
		v[a[i]-'a']++;
		v[b[i]-'a']--;
	}
	for(int i=0;i<26;i++){
		if(v[i]!=0)return -1;
	}
	if(l==r)return 0;
	if(l+1==r)return 1-(a[l]==b[l]);
	if(a[l]==b[l]&&a[l+1]==b[l+1])return 0;
	if(a[l]==b[l]||a[l+1]==b[l+1]||a[l+2]==b[l+2])return 1;
	return 2;
}

Compilation message (stderr)

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:10:2: error: 'vector' was not declared in this scope
   10 |  vector<int>v(26);
      |  ^~~~~~
dna.cpp:2:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    1 | #include "dna.h"
  +++ |+#include <vector>
    2 | using namespace std;
dna.cpp:10:9: error: expected primary-expression before 'int'
   10 |  vector<int>v(26);
      |         ^~~
dna.cpp:12:3: error: 'v' was not declared in this scope
   12 |   v[a[i]-'a']++;
      |   ^
dna.cpp:16:6: error: 'v' was not declared in this scope
   16 |   if(v[i]!=0)return -1;
      |      ^