# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
286156 |
2020-08-30T07:34:36 Z |
YJU |
Secret (JOI14_secret) |
C++14 |
|
0 ms |
0 KB |
#include<bits/stdc++.h>
#include "secret.h"
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=2e3+5;
const ld pi=3.14159265359;
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
ll pre[N][N],suf[N][N],n;
void Init(int N,int a[]){
n=N;
function<void(ll,ll)> build [&](ll l,ll r){
if(l>=r)return ;
ll mid=(l+r)/2;
build(l,mid);build(mid+1,r);
pre[mid][mid+1]=a[mid];
suf[mid][mid+1]=a[mid];
for(int i=mid+2;i<=r;i++)pre[mid][i]=Secret(pre[mid][i-1],a[i-1]);
for(int i=mid;i>l;i--)suf[mid][i]=Secret(suf[mid][i+1],a[i-1]);
};
build(0,n);
}
ll q(ll l,ll r,ll ql,ll qr){
ll mid=(l+r)/2;
if(ql<=mid&&mid<qr){
if(mid==ql)return pre[mid][qr];
if(mid==qr-1)return suf[mid][ql];
return Secret(pre[mid][qr],suf[mid][ql]);
}else{
if(qr<=mid){
return q(l,mid,ql,qr);
}else{
return q(mid+1,r,ql,qr);
}
}
}
int Query(int L,int R){
return q(0,n,L,R+1);
}
Compilation message
secret.cpp: In function 'void Init(int, int*)':
secret.cpp:28:32: error: expected primary-expression before ']' token
28 | function<void(ll,ll)> build [&](ll l,ll r){
| ^
secret.cpp:29:3: error: expected primary-expression before 'if'
29 | if(l>=r)return ;
| ^~
secret.cpp:29:3: error: expected '}' before 'if'
secret.cpp:28:44: note: to match this '{'
28 | function<void(ll,ll)> build [&](ll l,ll r){
| ^
secret.cpp:30:11: error: 'l' was not declared in this scope
30 | ll mid=(l+r)/2;
| ^
secret.cpp:30:13: error: 'r' was not declared in this scope
30 | ll mid=(l+r)/2;
| ^
secret.cpp:31:3: error: 'build' was not declared in this scope
31 | build(l,mid);build(mid+1,r);
| ^~~~~
secret.cpp: At global scope:
secret.cpp:37:7: error: expected constructor, destructor, or type conversion before '(' token
37 | build(0,n);
| ^
secret.cpp:38:1: error: expected declaration before '}' token
38 | }
| ^