Submission #462585

#	Time	Username	Problem	Language	Result	Execution time	Memory
462585		julian33	Robots (IOI13_robots)	C++14	0 / 100	1 ms	332 KiB

robots

#include <bits/stdc++.h>
#include "robots.h"

using namespace std;

#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
    cerr<<vars<<" = ";
    string delim="";
    (...,(cerr<<delim<<values,delim=", "));
    cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif

#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);} 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int mxN=1e5+5; //make sure this is right
const int mod=1e9+7;


int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]){
    int ans=0; int active=0; int cnt=0;
    vector<pii> toys;
    priority_queue<int> small,weak;
    for(int i=0;i<A;i++)
        weak.push(X[i]);
    for(int i=0;i<B;i++)
        small.push(Y[i]);
    for(int i=0;i<T;i++)
        toys.pb({W[i],S[i]});
    sort(toys.begin(),toys.end(),[&](auto a,auto b){return min(a.first,a.second)>min(b.first,b.second);});
    for(auto &[w,s]:toys){
        while(sz(weak) && w<weak.top()){
            if(active && cnt){
                cnt=max(0,cnt-2*(active-1));
                ans+=(cnt+active-1)/active;
                deb(cnt,active,ans);
            }
            cnt=0;
            active++; weak.pop();
        }
        while(sz(small) && s<small.top()){
            if(active && cnt){
                cnt=max(0,cnt-2*(active-1));
                ans+=(cnt+active-1)/active;
                deb(cnt,active,ans);
            }
            cnt=0;
            active++; small.pop();
        }
        deb(w,s,active);
        cnt++;
        if(active==0)
            return -1;
    }
    return ans;
}

Compilation message (stderr)

robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:45:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   45 |     for(auto &[w,s]:toys){
      |               ^

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 25
• Subtask 4: 0 / 37
• Subtask 5: 0 / 10