Submission #1069928

#	Time	Username	Problem	Language	Result	Execution time	Memory
1069928		erdemfurkan	Mutating DNA (IOI21_dna)	C++17	Compilation error	0 ms	0 KiB

dna

#include "bits/stdc++.h"
using namespace std;
 
string A;
string B;

int prea[3][100007];
int preb[3][100007];
int prec[100007];

void init(string a, string b) {
	A = a;
	B = b;
}

int get_distance(int x, int y) {
	x++;
	y++;
	int i = prea[0][y] - prea[0][x-1];
	int j = prea[1][y] - prea[1][x-1];
	int k = prea[2][y] - prea[2][x-1];
	int ii = preb[0][y] - preb[0][x-1];
	int jj = preb[1][y] - preb[1][x-1];
	int kk = preb[2][y] - preb[2][x-1];
	if(ii != i || jj != j || kk != k) {
		return -1;
	}
	int l = y-x+1;
	return (l - (prec[y] - prec[x-1] + 1))/2;
}

int main() {
	for(int i = 0; i < A.length(); i++) {
		prea[0][i+1] = prea[0][i] + (A[i] == 'A');
	}
	for(int i = 0; i < A.length(); i++) {
		prea[1][i+1] = prea[1][i] + (A[i] == 'T');
	}
	for(int i = 0; i < A.length(); i++) {
		prea[2][i+1] = prea[2][i] + (A[i] == 'C');
	}
	for(int i = 0; i < B.length(); i++) {
		preb[0][i+1] = preb[0][i] + (B[i] == 'A');
	}
	for(int i = 0; i < B.length(); i++) {
		preb[1][i+1] = preb[1][i] + (B[i] == 'T');
	}
	for(int i = 0; i < B.length(); i++) {
		preb[2][i+1] = preb[2][i] + (B[i] == 'C');
	}
	for(int i = 0; i < A.length(); i++) {
		prec[i+1] = prec[i] + (A[i] == B[i]);
	}
}

Compilation message (stderr)

dna.cpp: In function 'int main()':
dna.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for(int i = 0; i < A.length(); i++) {
      |                 ~~^~~~~~~~~~~~
dna.cpp:36:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |  for(int i = 0; i < A.length(); i++) {
      |                 ~~^~~~~~~~~~~~
dna.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  for(int i = 0; i < A.length(); i++) {
      |                 ~~^~~~~~~~~~~~
dna.cpp:42:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |  for(int i = 0; i < B.length(); i++) {
      |                 ~~^~~~~~~~~~~~
dna.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for(int i = 0; i < B.length(); i++) {
      |                 ~~^~~~~~~~~~~~
dna.cpp:48:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |  for(int i = 0; i < B.length(); i++) {
      |                 ~~^~~~~~~~~~~~
dna.cpp:51:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |  for(int i = 0; i < A.length(); i++) {
      |                 ~~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccriGpPA.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc0SQjZy.o:dna.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status