Submission #286153

#	Time	Username	Problem	Language	Result	Execution time	Memory
286153		YJU	Secret (JOI14_secret)	C++14	Compilation error	0 ms	0 KiB

secret

#include<bits/stdc++.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];

void Init(int n,int a[]){
	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 (stderr)

secret.cpp: In function 'void Init(int, int*)':
secret.cpp:26:32: error: expected primary-expression before ']' token
   26 |  function<void(ll,ll)> build [&](ll l,ll r){
      |                                ^
secret.cpp:27:3: error: expected primary-expression before 'if'
   27 |   if(l>=r)return ;
      |   ^~
secret.cpp:27:3: error: expected '}' before 'if'
secret.cpp:26:44: note: to match this '{'
   26 |  function<void(ll,ll)> build [&](ll l,ll r){
      |                                            ^
secret.cpp:28:11: error: 'l' was not declared in this scope
   28 |   ll mid=(l+r)/2;
      |           ^
secret.cpp:28:13: error: 'r' was not declared in this scope
   28 |   ll mid=(l+r)/2;
      |             ^
secret.cpp:29:3: error: 'build' was not declared in this scope
   29 |   build(l,mid);build(mid+1,r);
      |   ^~~~~
secret.cpp:32:40: error: 'Secret' was not declared in this scope
   32 |   for(int i=mid+2;i<=r;i++)pre[mid][i]=Secret(pre[mid][i-1],a[i-1]);
      |                                        ^~~~~~
secret.cpp:33:37: error: 'Secret' was not declared in this scope
   33 |   for(int i=mid;i>l;i--)suf[mid][i]=Secret(suf[mid][i+1],a[i-1]);
      |                                     ^~~~~~
secret.cpp: At global scope:
secret.cpp:35:7: error: expected constructor, destructor, or type conversion before '(' token
   35 |  build(0,n);
      |       ^
secret.cpp:36:1: error: expected declaration before '}' token
   36 | }
      | ^
secret.cpp: In function 'll q(ll, ll, ll, ll)':
secret.cpp:43:10: error: 'Secret' was not declared in this scope
   43 |   return Secret(pre[mid][qr],suf[mid][ql]);
      |          ^~~~~~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:54:13: error: 'n' was not declared in this scope
   54 |  return q(0,n,L,R+1);
      |             ^