Submission #1020110

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020110		tengiz05	Minerals (JOI19_minerals)	C++17	0 / 100	1 ms	344 KiB

minerals

#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
#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>>
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;
}
const ll N=1e5+5;
vll l,r;
vector<bool> vis(N);
pll ans;
ll x;
bool f[N*2];
void dnc(vll l,vll r){
    if(l.sz==1){
        Answer(l[0],r[0]);
        return;
    }
    ld d=l.sz*382.0/1000.0;
    ll m=d,i,j;
    chmax(m,1);
    vll nl,nr,nl2,nr2;
    for(i=0;i<m;i++) {
        nl.pb(l[i]);
        x=Query(l[i]);
    }
    for(i=m;i<l.sz;i++){
        nl2.pb(l[i]);
    }
    for(i=0;i<r.sz-1;i++){
        ll y=Query(r[i]);
        if(y==x)nr.pb(r[i]);
        else nr2.pb(r[i]);
        x=y;
    }
    if(nr.sz<nl.sz)nr.pb(r.bc);
    else nr2.pb(r.bc);
    dnc(nl,nr);
    dnc(nl2,nr2);
}
void Solve(int n) {
    ll i,j;
    for(i=1;i<=n*2;i++){
        ll y=Query(i);
        f[i]=1;
        if(x==y)r.pb(i);
        else l.pb(i);
        x=y;
    }
    dnc(l,r);
 
}
/*
4
1 5
2 6
3 4
7 8
*/
 
 
 
 

Compilation message (stderr)

minerals.cpp: In function 'void dnc(std::vector<int>, std::vector<int>)':
minerals.cpp:51:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |     for(i=m;i<l.sz;i++){
      |              ^
minerals.cpp:54:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for(i=0;i<r.sz-1;i++){
      |             ~^~~~~~~
minerals.cpp:44:14: warning: unused variable 'j' [-Wunused-variable]
   44 |     ll m=d,i,j;
      |              ^
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:66:10: warning: unused variable 'j' [-Wunused-variable]
   66 |     ll i,j;
      |          ^

• Subtask 1: 0 / 6
• Subtask 2: 0 / 25
• Subtask 3: 0 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10