Submission #284464

#	Time	Username	Problem	Language	Result	Execution time	Memory
284464		PedroBigMan	Preokret (COCI19_preokret)	C++14	50 / 50	1 ms	384 KiB

preokret

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <deque>
#include <list>
#include <iomanip>
#include <stdlib.h>
#include <time.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=a; i<b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define whole(x) x.begin(),x.end()
#define DEBUG(i) cout<<"Pedro Is The Master "<<i<<endl
#define INF 5000000000000000000LL

template<class A=ll> 
void Out(vector<A> a) {REP(i,0,a.size()) {cout<<a[i]<<" ";} cout<<endl;}

template<class A=ll>
void In(vector<A> &a, ll N) {A cur; REP(i,0,N) {cin>>cur; a.pb(cur);}} 

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    ll N; cin>>N; int cur; pl score = mp(0,0);
    ll ties=1LL;
    ll las=-1;
    vector<pl> turns;
    REP(i,0,N)
    {
        cin>>cur; 
        if(cur!=las) {turns.pb(score);}
        if(cur==1) {score.ff++;} else {score.ss++;}
        if(score.ff==score.ss) {ties++;}
        if(cur!=las) {turns.pb(score);}
        las=cur;
    }
    turns.pb(score);
    ll maxstreak=0LL;
    REP(i,0,turns.size()-1)
    {
        pl p1=turns[i]; pl p2 = turns[i+1];
        if(p1.ff==p2.ff && p1.ss<=p1.ff && p2.ss>p2.ff) {maxstreak=max(maxstreak,p2.ss-p1.ss);}
        if(p1.ss==p2.ss && p1.ff<=p1.ss && p2.ff>p2.ss) {maxstreak=max(maxstreak,p2.ff-p1.ff);}
    }
    cout<<score.ff<<" "<<score.ss<<endl;
    cout<<ties<<endl;
    cout<<maxstreak+1LL<<endl;
    return 0;
}

Compilation message (stderr)

preokret.cpp: In function 'int main()':
preokret.cpp:20:33: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 | #define REP(i,a,b) for(ll i=a; i<b; i++)
......
   55 |     REP(i,0,turns.size()-1)
      |         ~~~~~~~~~~~~~~~~~~       
preokret.cpp:55:5: note: in expansion of macro 'REP'
   55 |     REP(i,0,turns.size()-1)
      |     ^~~

• Subtask 1: 50 / 50