Submission #853301

#	Time	Username	Problem	Language	Result	Execution time	Memory
853301		onepunchac168	Boxes with souvenirs (IOI15_boxes)	C++14	100 / 100	468 ms	215376 KiB

boxes

//------------------------------------\\
//   ------------------------------   \\
//  |  created by Dinh Manh Hung   |  \\
//  |      tht.onepunchac168       |  \\
//  |     THPT CHUYEN HA TINH      |  \\
//  |      HA TINH, VIET NAM       |  \\
//  |           Siuuu              |  \\
//   ------------------------------   \\
//------------------------------------\\

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

#define            task     ""
#define       file(name)    if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
#define             ldb     long double
#define              pb     push_back
#define              eb     emplace_back
#define              fi     first
#define              se     second
#define           all(x)    begin(x),end(x)
#define       uniquev(v)    v.resize(unique(all(v))-v.begin())
#define       rep(i,a,b)    for (int i=a;i<=b;i++)
#define        cntbit(v)    __builtin_popcountll(v)
#define         gcd(a,b)    __gcd(a,b)
#define         lcm(a,b)    ((1LL*a*b)/__gcd(a,b))
#define          mask(x)    (1LL<<(x))
#define     readbit(x,i)    ((x>>i)&1)
#define             Yes     cout << "Yes"
#define             YES     cout << "YES"
#define              No     cout << "No"
#define              NO     cout << "NO"

typedef long long ll;
typedef pair <ll,ll> ii;
typedef pair <ll,ii> iii;
typedef pair <ii,ii> iiii;

ll dx[]= {1,-1,0,0,1,-1,1,-1};
ll dy[]= {0,0,-1,1,1,-1,-1,1};

const ldb PI = acos (-1);
//const ll mod=978846151;
//const ll base=29;
const ll mod=1e9+7;
const char nl = '\n';

inline int ReadInt()
{
    char co;
    for (co = getchar(); co < '0' || co > '9'; co = getchar());
    int xo = co - '0';
    for (co = getchar(); co >= '0' && co <= '9'; co = getchar())
        xo = (xo<<1) + (xo<<3) + co - '0';
    return xo;
}

void WriteInt(int xo)
{
    if (xo > 9)
        WriteInt(xo / 10);
    putchar(xo % 10 + '0');
}

// DEBUG

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}


#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif


/* END OF TEMPLATE*/

// ================= Solution =================//

const int N=1e7+5;
ll dp[N];
long long delivery(int N, int K, int L, int p[]) {
    if (K>N)
    {
        K=N;
    }
    ll res=1e18+5;
    for (int i=0;i<N;i++)
    {
        if (i>=K)
        {
            dp[i]=dp[i-K]+min({L,p[i]*2,(L-p[i-K+1])*2});
        }
        else
        {
            dp[i]=min({L,p[i]*2,(L-p[0])*2});
        }
        if (i==N-1)
        {
            res=min(res,dp[i]);
        }
        else if (N-i-1<=K)
        {
            ll cost=min({L,p[N-1]*2,(L-p[i+1])*2});
            res=min(res,cost+dp[i]);
        }
    }
    return res;
}
/*
void onepunchac168();

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    file(task);
    int tests;
    tests=1;
    //cin>>tests;
    while (tests--)
    {
        onepunchac168();
    }
}

const int N=2e5+5;

void onepunchac168()
{

}
*/

// goodbye see ya

Compilation message (stderr)

boxes.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //------------------------------------\\
      | ^
boxes.cpp: In function 'int ReadInt()':
boxes.cpp:52:22: warning: conversion from 'int' to 'char' may change value [-Wconversion]
   52 |     for (co = getchar(); co < '0' || co > '9'; co = getchar());
      |               ~~~~~~~^~
boxes.cpp:52:60: warning: conversion from 'int' to 'char' may change value [-Wconversion]
   52 |     for (co = getchar(); co < '0' || co > '9'; co = getchar());
      |                                                     ~~~~~~~^~
boxes.cpp:54:22: warning: conversion from 'int' to 'char' may change value [-Wconversion]
   54 |     for (co = getchar(); co >= '0' && co <= '9'; co = getchar())
      |               ~~~~~~~^~
boxes.cpp:54:62: warning: conversion from 'int' to 'char' may change value [-Wconversion]
   54 |     for (co = getchar(); co >= '0' && co <= '9'; co = getchar())
      |                                                       ~~~~~~~^~
boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:104:24: warning: declaration of 'N' shadows a global declaration [-Wshadow]
  104 | long long delivery(int N, int K, int L, int p[]) {
      |                    ~~~~^
boxes.cpp:102:11: note: shadowed declaration is here
  102 | const int N=1e7+5;
      |           ^

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30