Submission #681660

#	Time	Username	Problem	Language	Result	Execution time	Memory
681660		MarwenElarbi	Rabbit Carrot (LMIO19_triusis)	C++14	0 / 100	37 ms	98380 KiB

triusis

#include <bits/stdc++.h>
#define vi vector<int>
#define ve vector
#define ll long long
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define ii pair<int,int>
#define vvi vector<vi>
#define vii vector<ii>
#define gii greater<ii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF 1e9
#define eps 1e-7
#define eps1 1e-2
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MAX_A 1e5+5
using namespace std;
const int MOD = 1e9+7;
const int nax = 2*1e3+5;
double PI=3.14159265359;
int arx[8]={1,1,0,-1,-1,-1, 0, 1};
int ary[8]={0,1,1, 1, 0,-1,-1,-1};
typedef complex<int> Point;
#define X real()
#define Y imag()
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
int n,m;
int tab[5005];
int dp[5005][5005];
int search(int x,int y)
{
    if (y>5000||y<0) return 1e9;
    if (x==n) return 0;
    if (dp[x][y]!=-1) return dp[x][y];
    dp[x][y]=1e9;
    for (int i = 0; i < y+m; ++i)
    {
        if (i==tab[x]) dp[x][y]=min(dp[x][y],search(x+1,i));
        else dp[x][y]=min(dp[x][y],search(x+1,i)+1);
    }
    //cout << x<<" "<<y<<" "<<dp[x][y]<<endl;
    return dp[x][y];
}
int main(){
    optimise;
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
    //setIO("nocross");
    cin>>n>>m;
    memset(dp,-1,sizeof dp);
    for (int i = 1; i <= n; ++i)
    {
        cin>>tab[i];
    }
    int res=1e9;
    for (int i = 0; i < m; ++i)
    {
        if (i==tab[1]) res=min(res,search(1,i));
        else res=min(res,search(1,i)+1);
    }
    cout <<min(res,n)<<endl;
}   

Compilation message (stderr)

triusis.cpp: In function 'void setIO(std::string)':
triusis.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp:31:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp: In function 'int main()':
triusis.cpp:53:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen("output.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37