| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 94357 |
2019-01-18T01:25:28 Z |
fjzzq2002 |
Game (IOI13_game) |
C++14 |
|
223 ms |
257024 KB |
#include "game.h"
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
inline ull gcd(ull a,ull b)
{
if(a==0) return b;
if(b==0) return a;
#define ctz __builtin_ctzll
int shift = ctz(a | b);
b >>= ctz(b);
while (a) {
a >>= ctz(a);
if (a < b) swap(a, b);
a -= b;
}
return b << shift;
#undef ctz
}
#define SS 2600003
int an=0,ch[SS][2],sz[SS],xx[SS],R;
ull vv[SS],ss[SS];
void upd(int x)
{
sz[x]=1+sz[ch[x][0]]+sz[ch[x][1]];
ss[x]=gcd(gcd(vv[x],ss[ch[x][0]]),ss[ch[x][1]]);
}
int merge(int a,int b)
{
if(a&&b);else return a^b;
if(sz[a]>sz[b])
{
ch[a][1]=merge(ch[a][1],b),upd(a);
return a;
}
else
{
ch[b][0]=merge(a,ch[b][0]),upd(b);
return b;
}
}
void split(int x,int u,int& a,int& b)
{
// cerr<<x<<","<<u<<","<<a<<","<<b<<"\n";
if(x==0) {a=b=0; return;}
if(xx[x]<=u)
a=x, split(ch[a][1],u,ch[a][1],b), upd(a);
else
b=x, split(ch[b][0],u,a,ch[b][0]), upd(b);
}
void edt(int& u,int x,ull v)
{
// cerr<<"E+\n";
int A,B,C;
split(u,x-1,A,B);
split(B,x,B,C);
// cerr<<"S\n";
if(B) vv[B]=v;
else
{
B=++an; sz[an]=1;
xx[an]=x; vv[an]=v;
}
B=merge(B,C);
u=merge(A,B);
// cerr<<"E-\n";
}
ull qry(int& u,int l,int r)
{
int A,B,C;
split(u,l-1,A,B);
split(B,r,B,C);
ull rs=ss[B];
B=merge(B,C);
u=merge(A,B);
return rs;
}
int seg_ch[SS][2],seg_ps[SS],sn=0,ro;
void edt(int& x,int l,int r,int p,int q,ull v)
{
// cerr<<x<<"?\n";
if(!x) x=++sn; edt(seg_ps[x],q,v);
if(l==r) return;
int m=(l+r)>>1;
if(p<=m) edt(ch[x][0],l,m,p,q,v);
else edt(ch[x][1],m+1,r,p,q,v);
}
ull qry(int x,int l,int r,int pl,int pr,int sl,int sr)
{
if(r<pl||pr<l||!x||pl>pr) return 0;
if(pl<=l&&r<=pr) return qry(seg_ps[x],sl,sr);
int m=(l+r)>>1;
return gcd(qry(ch[x][0],l,m,pl,pr,sl,sr),
qry(ch[x][1],m+1,r,pl,pr,sl,sr));
}
void init(int R_, int C_) {
R=R_;
}
void update(int P, int Q, long long K) {
edt(ro,0,R-1,P,Q,K);
}
long long calculate(int P, int Q, int U, int V) {
return qry(ro,0,R-1,P,U,Q,V);
}
Compilation message
grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
int res;
^~~
game.cpp: In function 'void edt(int&, int, int, int, int, ull)':
game.cpp:85:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
if(!x) x=++sn; edt(seg_ps[x],q,v);
^~
game.cpp:85:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
if(!x) x=++sn; edt(seg_ps[x],q,v);
^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Runtime error |
202 ms |
257024 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
380 KB |
Output is correct |
| 2 |
Runtime error |
223 ms |
257024 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Runtime error |
220 ms |
257024 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Runtime error |
199 ms |
257024 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 3 |
Halted |
0 ms |
0 KB |
- |
