This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
#define fr(m,n,k) for(int m=n;m<=k;m++)
int n;
string guess_sequence(int N) {
n = N;
string v = "ABXY";
string p;
int a;
fr(j, 0, 3) {
p = v[j];
int x = press(p);
if (x == 1) {
a = j;
break;
}
if (j == 2) {
a = 3;
break;
}
}
p = v[a];
fr(i, 2, n) {
fr(j, 0, 3) {
if (j == a) continue;
p += v[j];
int x = press(p);
if (x == i) {
break;
}
else p.erase(--p.end());
if (j == 2) {
p += v[3];
break;
}
}
}
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:42:1: warning: no return statement in function returning non-void [-Wreturn-type]
42 | }
| ^
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