oj.uz

Submission #41672

# Submission time Handle Problem Language Result Execution time Memory
41672 2018-02-20T11:32:32 Z repeating Jakarta Skyscrapers (APIO15_skyscraper) C++11
22 / 100
 38 ms 36204 KB 
#include <bits/stdc++.h>

#define F first
#define S second
#define P push
#define pb push_back
#define MEM(dp,i) memset(dp,i,sizeof(dp))
#define W while
#define R return
#define C continue
#define SI size()
#define ll long long
#define ld long double
#define pll pair<ll,ll>
#define pii pair<int,int>
#define SF(x) scanf("%Id",&x)
#define SF2(x,y) scanf("%Id%Id",&x,&y)
#define SF3(x,y,z) scanf("%I64d%I64d%I64d",&x,&y,&z)
#define SF4(x,y,z,o) scanf("%I64d%I64d%I64d%I64d",&x,&y,&z,&o)
#define all(v) v.begin(),v.end()

using namespace std;
const long long INF = 1e9;
const long long MOD = 1e9+7;
const int MX=30015;
int n,m;
int xx[MX],y[MX];
const int sq=2002;
ll dp[2205][sq+4];
vector<int> v[MX];
ll DP(int x,int j){
    if(x<0||x>=n)R INF;
//    cout<<x<<" "<<j<<endl;
    if(x==xx[1])R 0;
    ll &ret=dp[x][j];
    if(ret!=-1)R ret;
    ret=INF;
    if(j==0)
        for(auto i : v[x])
            if(i<sq){ret=min(ret,DP(x,i));}
    ret=min(ret,DP(x+j,j)+1),ret=min(ret,DP(x-j,j)+1);
    ret=min(ret,DP(x,0));
    if(j==0)
        for(auto k : v[x]){
            if(k>=sq){
                for(int i=x,j1=0;i>=0;i-=k,j1++){
                    ret=min(ret,DP(i,0)+j1);
                }
                for(int i=x,j1=0;i<n;i+=k,j1++){
                    ret=min(ret,DP(i,0)+j1);
                }
            }

        }
//    cout<<x<<" "<<j<<" "<<ret<<endl;
    R ret;

}
int main(){
    MEM(dp,-1);
    cin>>n>>m;
    for(int i=0;i<m;i++){
        cin>>xx[i]>>y[i];
        v[xx[i]].pb(y[i]);
    }
    if(DP(xx[0],0)==INF)cout<<-1;
    else
    cout<<DP(xx[0],0);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 35580 KB Output is correct
2 Correct 27 ms 35680 KB Output is correct
3 Correct 26 ms 35768 KB Output is correct
4 Correct 27 ms 35804 KB Output is correct
5 Correct 27 ms 35876 KB Output is correct
6 Correct 26 ms 35876 KB Output is correct
7 Correct 27 ms 35876 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 35876 KB Output is correct
2 Correct 30 ms 35876 KB Output is correct
3 Correct 27 ms 35900 KB Output is correct
4 Correct 27 ms 35900 KB Output is correct
5 Correct 32 ms 35900 KB Output is correct
6 Correct 28 ms 35948 KB Output is correct
7 Correct 28 ms 35948 KB Output is correct
8 Correct 26 ms 35948 KB Output is correct
9 Correct 29 ms 35948 KB Output is correct
10 Correct 28 ms 35948 KB Output is correct
11 Correct 34 ms 35948 KB Output is correct
12 Correct 30 ms 35948 KB Output is correct
13 Correct 34 ms 35948 KB Output is correct
14 Correct 29 ms 35992 KB Output is correct
15 Correct 27 ms 35992 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 35992 KB Output is correct
2 Correct 28 ms 35992 KB Output is correct
3 Correct 27 ms 35992 KB Output is correct
4 Correct 27 ms 35992 KB Output is correct
5 Correct 32 ms 35992 KB Output is correct
6 Correct 28 ms 35992 KB Output is correct
7 Correct 27 ms 35992 KB Output is correct
8 Correct 33 ms 35992 KB Output is correct
9 Correct 30 ms 35992 KB Output is correct
10 Correct 30 ms 35992 KB Output is correct
11 Correct 34 ms 35992 KB Output is correct
12 Correct 33 ms 35992 KB Output is correct
13 Correct 27 ms 35992 KB Output is correct
14 Correct 27 ms 35992 KB Output is correct
15 Correct 27 ms 35992 KB Output is correct
16 Correct 27 ms 35992 KB Output is correct
17 Incorrect 29 ms 36204 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 36204 KB Output is correct
2 Correct 28 ms 36204 KB Output is correct
3 Correct 38 ms 36204 KB Output is correct
4 Correct 27 ms 36204 KB Output is correct
5 Correct 27 ms 36204 KB Output is correct
6 Correct 26 ms 36204 KB Output is correct
7 Correct 27 ms 36204 KB Output is correct
8 Correct 29 ms 36204 KB Output is correct
9 Correct 28 ms 36204 KB Output is correct
10 Correct 27 ms 36204 KB Output is correct
11 Correct 28 ms 36204 KB Output is correct
12 Correct 27 ms 36204 KB Output is correct
13 Correct 30 ms 36204 KB Output is correct
14 Correct 27 ms 36204 KB Output is correct
15 Correct 29 ms 36204 KB Output is correct
16 Correct 27 ms 36204 KB Output is correct
17 Incorrect 29 ms 36204 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 36204 KB Output is correct
2 Correct 27 ms 36204 KB Output is correct
3 Correct 29 ms 36204 KB Output is correct
4 Correct 26 ms 36204 KB Output is correct
5 Correct 29 ms 36204 KB Output is correct
6 Correct 27 ms 36204 KB Output is correct
7 Correct 28 ms 36204 KB Output is correct
8 Correct 27 ms 36204 KB Output is correct
9 Correct 29 ms 36204 KB Output is correct
10 Correct 28 ms 36204 KB Output is correct
11 Correct 28 ms 36204 KB Output is correct
12 Correct 29 ms 36204 KB Output is correct
13 Correct 29 ms 36204 KB Output is correct
14 Correct 29 ms 36204 KB Output is correct
15 Correct 29 ms 36204 KB Output is correct
16 Correct 29 ms 36204 KB Output is correct
17 Incorrect 30 ms 36204 KB Output isn't correct
18 Halted 0 ms 0 KB -