Submission #946797

#	Time	Username	Problem	Language	Result	Execution time	Memory
946797		vjudge1	Chameleon's Love (JOI20_chameleon)	C++17	4 / 100	7 ms	460 KiB

chameleon

#include "chameleon.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
#define ll int
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define vll vector<ll>
#define bc back()
#define arr array
#define pll vector<pair<ll,ll>>
using namespace std;
template<class S,class T>
bool chmin(S &a,const T &b) {
	return a>b?(a=b)==b:false;
}
template<class S,class T>
bool chmax(S &a,const T &b) {
	return a<b?(a=b)==b:false;
}
using namespace std;

void Solve(int n) {
    vll v={1};
    ll i,j;
    for(i=2;i<=n*2;i++){
        v.pb(i);
        ll x=Query(v);
        if(x!=v.sz){
            ll l=0,r=v.sz-1;
            while(l+1<r){
                ll m=(l+r)/2;
                vll nv;
                for(j=0;j<m;j++)nv.pb(v[j]);
                nv.pb(i);
                ll x=Query(nv);
                if(x==nv.sz)l=m;
                else r=m;
            }
            Answer(v[r-1],i);
            v.pob;
            vll nv;
            for(j=0;j<v.sz;j++){
                if(j==r-1)continue;
                nv.pb(v[j]);
            }
            v=nv;
        }
    }
}

Compilation message (stderr)

chameleon.cpp: In function 'void Solve(int)':
chameleon.cpp:41:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         if(x!=v.sz){
      |             ^
chameleon.cpp:49:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |                 if(x==nv.sz)l=m;
      |                     ^
chameleon.cpp:55:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |             for(j=0;j<v.sz;j++){
      |                      ^

• Subtask 1: 4 / 4
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 36