# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
393934 | Gamma | Cave (IOI13_cave) | C++14 | 988 ms | 372 KiB |
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 "cave.h"
#include <bits/stdc++.h>
void exploreCave(int N)
{
int y, d[N], a[N], s[N];
memset(d, -1, sizeof d);
for(int i = 0; i < N; i++)
{
for(int j = 0; j < N; j++)
{
a[j] = 0;
}
for(int j = 0; j < i; j++)
{
a[d[j]] = s[d[j]];
}
y = tryCombination(a);
if(y <= i && y != -1)
{
int S = 0, e = N - 1, mid;
while(S <= e)
{
mid = (S + e) / 2;
for(int j = S; j < mid; j++)
{
a[j] = 1;
}
for(int j = 0; j < i; j++)
{
a[d[j]] = s[d[j]];
}
// printf("%d ", a[0]);
y = tryCombination(a);
// if(i == 3) printf("%d\t", y);
if(y <= i && y != -1)
{
a[mid] = 1;
y = tryCombination(a);
if(y <= i && y != -1)
{
S = mid + 1;
}
else
{
d[i] = mid;
s[mid] = 1;
break;
}
}
else
{
e = mid - 1;
for(int j = S; j < mid; j++)
{
a[j] = 0;
}
for(int j = 0; j < i; j++)
{
a[d[j]] = s[d[j]];
}
}
}
}
else
{
int S = 0, e = N - 1, mid;
while(S <= e)
{
mid = (S + e) / 2;
memset(a, 0, sizeof(a));
for(int j = S; j < mid; j++)
{
a[j] = 1;
}
for(int j = 0; j < i; j++)
{
a[d[j]] = s[d[j]];
}
y = tryCombination(a);
if(y <= i && y != -1)
{
e = mid - 1;
for(int j = S; j < mid; j++)
{
a[j] = 0;
}
for(int j = 0; j < i; j++)
{
a[d[j]] = s[d[j]];
}
}
else
{
a[mid] = 1;
y = tryCombination(a);
if(y <= i && y != -1)
{
d[i] = mid;
s[mid] = 0;
break;
}
else
{
S = mid + 1;
}
}
}
}
// printf("\n%d %d\n", a[i], s[d[i]]);
}
for(int j = 0; j < N; j++) a[d[j]] = j;
answer(s, a);
}
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |