Submission #136141

#	Time	Username	Problem	Language	Result	Execution time	Memory
136141		PedroBigMan	Remittance (JOI19_remittance)	C++14	0 / 100	2 ms	376 KiB

remittance

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
#include <queue>
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 INF ((ll) pow(2,63) -1)
ll insig;
#define In(vecBRO, LENBRO) REP(IBRO,0,LENBRO) {cin>>insig; vecBRO.pb(insig);}
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll N; cin>>N; vector<ll> A,B; ll cur; bool al0=true;
    REP(i,0,N)
    {
        cin>>cur; A.pb(cur); cin>>cur; if(cur>0) {al0=false;} B.pb(cur);
    }
    vector<ll> dif; REP(i,0,N) {dif.pb(A[i]-B[i]);}
    bool changed; ll mx,pos,pas;
    while(1>0)
    {
        changed=false; mx=1;
        REP(i,0,N) 
        {
            if(dif[i]>mx) {mx=dif[i]; pos=i; changed=true;}
        }
        if(!changed) 
        {
            bool e1=false; bool e0=false;
            REP(i,0,N) {if(dif[i]==1) {e1=true;} else {e0=true;}}
            if(e1 && e0) {cout<<"No"<<endl; return 0;}
            if(e1) 
            {
                if(al0) {cout<<"No"<<endl; return 0;}
            }
            cout<<"Yes"<<endl; return 0;
        }
        pas=dif[pos]/2;dif[pos]=dif[pos]%2;
        if(pos<=N-2) 
        {
            dif[pos+1]+=pas;
        }
        else
        {
            dif[0]+=pas;
        }
    }
    return 0;
}

Compilation message (stderr)

remittance.cpp: In function 'void Out(std::vector<long long int>)':
remittance.cpp:11:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
remittance.cpp:20:29:
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                             ~~~~~~~~~~~~
remittance.cpp:20:25: note: in expansion of macro 'REP'
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                         ^~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 45