Submission #483594

#	Time	Username	Problem	Language	Result	Execution time	Memory
483594		ponytail	Mutating DNA (IOI21_dna)	C++17	Compilation error	0 ms	0 KiB

dna

#include "dna.h"
#include <string>
#include <bits/stdc++.h>
using namespace std;
int get_distance(int x, int y) {
    int res[6];
    for(int i=0; i<6; i++) res[i] = ps[i][y] - (x==0 ? 0 : ps[i][x-1]);
    if(res[0] + res[4] != res[1] + res[5]) return -1;
    if(res[1] + res[3] != res[0] + res[2]) return -1;
    if(res[2] + res[5] != res[3] + res[4]) return -1;
    int ans = min(res[0], res[1]) + min(res[2], res[3]) + min(res[4], res[5]);
    res[0] -= min(res[0], res[1]);
    res[1] -= min(res[0], res[1]);
    res[2] -= min(res[2], res[3]);
    res[3] -= min(res[2], res[3]);
    res[4] -= min(res[4], res[5]);
    res[5] -= min(res[4], res[5]);
    for(int i=0; i<6; i++) ans += res[i];
    ans--;
	return ans;
}

Compilation message (stderr)

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:7:37: error: 'ps' was not declared in this scope
    7 |     for(int i=0; i<6; i++) res[i] = ps[i][y] - (x==0 ? 0 : ps[i][x-1]);
      |                                     ^~