Submission #499675

#	Time	Username	Problem	Language	Result	Execution time	Memory
499675		sazid_alam	Mutating DNA (IOI21_dna)	C++17	Compilation error	0 ms	0 KiB

dna

#include "dna.h"
#include <cstdio>
#include <cassert>
#include <string>
#include <vector>

int main() {
	int n, q;
	assert(scanf("%d %d", &n, &q) == 2);
	char A[n+1], B[n+1];
	assert(scanf("%s", A) == 1);
	assert(scanf("%s", B) == 1);
	std::string a = std::string(A);
	std::string b = std::string(B);
	std::vector<int> x(q), y(q);
	for (int i = 0; i < q; i++) {
		assert(scanf("%d %d", &x[i], &y[i]) == 2);
	}
	fclose(stdin);
	std::vector<int> results(q);
	init(a, b);
	for (int i = 0; i < q; i++) {
		results[i] = get_distance(x[i], y[i]);
	}
	for (int i = 0; i < q; i++) {
		printf("%d\n", results[i]);
	}
	fclose(stdout);
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccXeyeJ4.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccyFcT32.o:dna.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccyFcT32.o: in function `main':
dna.cpp:(.text.startup+0x21f): undefined reference to `init(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'
/usr/bin/ld: dna.cpp:(.text.startup+0x255): undefined reference to `get_distance(int, int)'
/usr/bin/ld: /tmp/ccXeyeJ4.o: in function `main':
grader.cpp:(.text.startup+0x366): undefined reference to `init(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'
/usr/bin/ld: grader.cpp:(.text.startup+0x39d): undefined reference to `get_distance(int, int)'
collect2: error: ld returned 1 exit status