이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.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);}
// ll delivery(int N, int K, int L, int positions[]){
// ll ans=0;
// vector<int> pos;
// for(int i=0;i<N;i++){
// if(positions[i])
// pos.pb(positions[i]);
// }
// int n=sz(pos);
// vector<ll> pref(n),suff(n);
// for(int i=0;i<n;i++){
// if(i<K){
// pref[i]=min(2*pos[i],L);
// } else{
// pref[i]=pref[i/K*K-1]+min(2*pos[i],L);
// }
// }
// for(int i=n-1;i>=0;i--){
// if(n-i-1<K){
// suff[i]=min(2*(L-pos[i]),L);
// } else{
// suff[i]=suff[n-1-(n-i-1)/K*K+1]+min(2*(L-pos[i]),L);
// }
// }
// ans=min(pref[n-1],suff[0]);
// for(int i=0;i<n-1;i++)
// mina(ans,pref[i]+suff[i+1]);
// return ans;
// }
ll delivery(int N,int K,int L, int positions[]){
ll ans=1e18;
vector<int> pos(N);
for(int i=0;i<N;i++){
pos[N-i-1]=1;
sort(pos.begin(),pos.end());
do{
if(pos.back()!=1){
continue;
}
vector<ll> pref(N),suff(N);
int pre=-1;
ll cur=0;
for(int j=0;j<N;j++){
if(j)
pref[j]=pref[j-1];
if(pos[j]){
if(j-pre>K){
cur=1e18;
break;
}
pref[j]+=min(L,2*positions[j]);
pre=j;
}
}
if(cur==1e18)
continue;
for(int j=N-1;j>=0;j--){
if(j!=N-1)
suff[j]=suff[j+1];
if(pos[j])
suff[j]+=min(L,2*(L-positions[i]));
}
cur=min(suff[0],pref[N-1]);
for(int i=0;i<N-1;i++)
mina(cur,pref[i]+suff[i+1]);
mina(ans,cur);
} while(next_permutation(pos.begin(),pos.end()));
}
return ans;
}
컴파일 시 표준 에러 (stderr) 메시지
boxes.cpp: In function 'll delivery(int, int, int, int*)':
boxes.cpp:82:16: warning: conversion from 'll' {aka 'long long int'} to 'double' may change value [-Wconversion]
82 | if(cur==1e18)
| ^~~
boxes.cpp:91:21: warning: declaration of 'i' shadows a previous local [-Wshadow]
91 | for(int i=0;i<N-1;i++)
| ^
boxes.cpp:60:13: note: shadowed declaration is here
60 | for(int i=0;i<N;i++){
| ^
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |