Submission #936136

#	Time	Username	Problem	Language	Result	Execution time	Memory
936136		Kutan	Global Warming (CEOI18_glo)	C++14	0 / 100	7 ms	1372 KiB

glo

#include <bits/stdc++.h>
using namespace std;

#define sonic ios_base::sync_with_stdio(false);cin.tie(0); cout.tie(0)
#define IO(main) if(fopen(main".inp","r")){freopen(main".inp","r",stdin);freopen(main".out","w",stdout);}
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define ins insert
#define pb push_back
#define el cout << endl
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(), (x).end()
#define MASK(i) ((1LL)<<(i))
#define BIT(x,i) (((x)>>(i))&(1LL))
#define FOR(i, a, b) for(int (i)=(a);(i)<=(b); i++)
#define FORD(i, a, b) for(int (i)=(a);(i)>=(b); i--)


using ll = long long;
using ull = unsigned long long;
using ld = long double;

using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vii = vector<pii>;

const int N = 50000+9;
const int mod = 1e9 + 7;
const int INF = 1e9 + 7;
const int base = 31;
const int LOG = 20;


int mul(int x, int y) {return 1LL * x * y % mod;}
int calPw(int x, int y)
{
    int ans = 1;
    while(y)
    {
        if (y&1) ans = 1LL * ans * x % mod;
        x = 1LL * x * x % mod;
        y >>= 1;
    }
    return ans;
}
int d4x[4] = {1, 0, -1, 0};
int d4y[4] = {0, 1, 0, -1};
int dx[8] = {0, 1, 1, 1, 0, -1, -1, -1};
int dy[8] = {1, 1, 0, -1, -1, -1, 0, 1};
///Author: Le Chi Thien Luong The Vinh high school 2008
long long n,k,a[N],b[N],dp[N],ds[N],t[N],m;

int bin(ll x,ll l,ll r)
{
    int res=0,m;
    while(l<=r)
    {
        m=(l+r)/2;
        if(a[b[m]]<x)
        {
            res=m;
            l=m+1;
        }
        else r=m-1;
    }
    return b[res];
}

void Read(){
            cin>>n>>m;
            FOR(i,1,n)cin>>a[i];




}

void  Solve(){

ll res,jmax;
    dp[1]=1;res=1;b[1]=1;
    for(int i=2;i<=n;i++)
    {
        jmax=bin(a[i],1,dp[res]);
        dp[i]=dp[jmax]+1;
        b[dp[i]]=i;
        if(dp[i]>dp[res]) res=i;
    }


      cout<<dp[res];


}



int main()
{
    sonic;
//   freopen("test.inp","r",stdin);
//   freopen("test.out","w",stdout);
    int TEST = 1;
    while(TEST--)
    {
        Read();
        Solve();
    }
}

Compilation message (stderr)

glo.cpp: In function 'void Read()':
glo.cpp:17:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   17 | #define FOR(i, a, b) for(int (i)=(a);(i)<=(b); i++)
      |                              ^
glo.cpp:74:13: note: in expansion of macro 'FOR'
   74 |             FOR(i,1,n)cin>>a[i];
      |             ^~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25