| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 67105 |
2018-08-13T10:42:37 Z |
reality |
None (JOI16_snowy) |
C++17 |
|
17 ms |
2552 KB |
#include "Anyalib.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define vii vector < pii >
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class P , class Q > ostream& operator<<(ostream& stream, pair < P , Q > v){ stream << "(" << v.fi << ',' << v.se << ")"; return stream;}
template < class T > ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
static const int N = 1024;
static int n;
static vector < pii > g[N];
static int P[N][N];
static int fr[N];
static int coef[N];
static int lf[N];
static int rg[N];
static vii e;
static int Time = 0;
static void dfs(int node = 0,int index = 0) {
++Time;
lf[index] = Time;
fr[node] = Time;
coef[Time] = 1;
for (auto it : g[node])
if (it.se != index)
dfs(it.fi,it.se);
++Time;
rg[index] = Time;
coef[Time] = -1;
}
void InitAnya(int NN, int A[] , int B[]) {
n = NN;
for (int i = 0;i < n - 1;++i) {
g[A[i]].pb(mp(B[i],i + 1));
g[B[i]].pb(mp(A[i],i + 1));
P[A[i]][B[i]] = P[B[i]][A[i]] = i + 1;
}
dfs();
}
static int sum[N];
void Anya(int C[]) {
for (int i = 0;i <= n + n;++i)
sum[i] = 0;
for (int i = 1;i < n;++i) {
sum[lf[i]] = C[i - 1];
sum[rg[i]] = -C[i - 1];
}
for (int i = 1;i <= n + n;++i)
sum[i] += sum[i - 1];
for (int i = 0;i < n - 1;++i)
Save(i,C[i]);
for (int i = 0;i * 20 < n + n;++i) {
int ed = min(n + n,(i + 1) * 20);
for (int t = 0;t < 10;++t)
Save(n - 1 + t + i * 10,(sum[ed] >> t) & 1);
}
}
#include "Borislib.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define vii vector < pii >
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class P , class Q > ostream& operator<<(ostream& stream, pair < P , Q > v){ stream << "(" << v.fi << ',' << v.se << ")"; return stream;}
template < class T > ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
static const int N = 1024;
static int n;
static vector < pii > g[N];
static int P[N][N];
static int fr[N];
static int coef[N];
static int lf[N];
static int rg[N];
static int ac[N];
static vii e;
static int Time = 0;
static void dfs(int node = 0,int index = 0) {
++Time;
lf[index] = Time;
ac[Time] = index - 1;
fr[node] = Time;
coef[Time] = 1;
for (auto it : g[node])
if (it.se != index)
dfs(it.fi,it.se);
++Time;
ac[Time] = index - 1;
rg[index] = Time;
coef[Time] = -1;
}
void InitBoris(int NN , int A[] , int B[]) {
n = NN;
for (int i = 0;i < n - 1;++i) {
g[A[i]].pb(mp(B[i],i + 1));
g[B[i]].pb(mp(A[i],i + 1));
P[A[i]][B[i]] = P[B[i]][A[i]] = i + 1;
}
dfs();
}
int Boris(int node) {
int need = fr[node];
int pos,beg;
for (int i = 0;i * 20 < n + n;++i) {
int ed = min(n + n,(i + 1) * 20);
if (abs(pos - ed) <= 10) {
pos = ed;
beg = i * 10 + n - 1;
break;
}
}
assert(abs(pos - need) <= 10);
int ans = 0;
for (int i = 0;i < 10;++i)
assert(0 <= beg + i && beg + i < 1000),ans += Ask(beg + i) * (1 << i);
while (pos < need) {
++pos;
if (ac[pos] >= 0)
ans += Ask(ac[pos]) * coef[pos];
}
while (pos > need) {
if (ac[pos] >= 0)
ans -= Ask(ac[pos]) * coef[pos];
--pos;
}
return ans;
}
Compilation message
Boris.cpp: In function 'int Boris(int)':
Boris.cpp:73:15: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (abs(pos - ed) <= 10) {
~~~~^~~~
Boris.cpp:70:10: warning: 'beg' may be used uninitialized in this function [-Wmaybe-uninitialized]
int pos,beg;
^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
872 KB |
Output is correct |
| 2 |
Correct |
8 ms |
1208 KB |
Output is correct |
| 3 |
Runtime error |
7 ms |
1632 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
10 ms |
2096 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
17 ms |
2220 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
17 ms |
2552 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
