oj.uz

Submission #41670

# Submission time Handle Problem Language Result Execution time Memory
41670 2018-02-20T11:25:21 Z repeating Jakarta Skyscrapers (APIO15_skyscraper) C++11
22 / 100
 45 ms 48784 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=2001;
ll dp[3005][2004];
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));}
    if(j!=0)
        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 36 ms 48120 KB Output is correct
2 Correct 37 ms 48224 KB Output is correct
3 Correct 39 ms 48320 KB Output is correct
4 Correct 37 ms 48368 KB Output is correct
5 Correct 38 ms 48368 KB Output is correct
6 Correct 36 ms 48432 KB Output is correct
7 Correct 38 ms 48604 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 48604 KB Output is correct
2 Correct 37 ms 48604 KB Output is correct
3 Correct 36 ms 48604 KB Output is correct
4 Correct 36 ms 48604 KB Output is correct
5 Correct 38 ms 48604 KB Output is correct
6 Correct 37 ms 48604 KB Output is correct
7 Correct 37 ms 48604 KB Output is correct
8 Correct 38 ms 48604 KB Output is correct
9 Correct 42 ms 48604 KB Output is correct
10 Correct 37 ms 48604 KB Output is correct
11 Correct 39 ms 48604 KB Output is correct
12 Correct 39 ms 48604 KB Output is correct
13 Correct 37 ms 48604 KB Output is correct
14 Correct 37 ms 48604 KB Output is correct
15 Correct 39 ms 48604 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 48604 KB Output is correct
2 Correct 37 ms 48604 KB Output is correct
3 Correct 36 ms 48604 KB Output is correct
4 Correct 37 ms 48604 KB Output is correct
5 Correct 36 ms 48604 KB Output is correct
6 Correct 38 ms 48604 KB Output is correct
7 Correct 37 ms 48604 KB Output is correct
8 Correct 35 ms 48604 KB Output is correct
9 Correct 37 ms 48604 KB Output is correct
10 Correct 37 ms 48604 KB Output is correct
11 Correct 38 ms 48604 KB Output is correct
12 Correct 39 ms 48604 KB Output is correct
13 Correct 38 ms 48604 KB Output is correct
14 Correct 39 ms 48604 KB Output is correct
15 Correct 40 ms 48604 KB Output is correct
16 Correct 38 ms 48604 KB Output is correct
17 Incorrect 42 ms 48748 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 48748 KB Output is correct
2 Correct 34 ms 48748 KB Output is correct
3 Correct 36 ms 48748 KB Output is correct
4 Correct 36 ms 48748 KB Output is correct
5 Correct 34 ms 48748 KB Output is correct
6 Correct 35 ms 48748 KB Output is correct
7 Correct 35 ms 48748 KB Output is correct
8 Correct 35 ms 48748 KB Output is correct
9 Correct 35 ms 48748 KB Output is correct
10 Correct 35 ms 48748 KB Output is correct
11 Correct 38 ms 48748 KB Output is correct
12 Correct 39 ms 48748 KB Output is correct
13 Correct 37 ms 48748 KB Output is correct
14 Correct 36 ms 48748 KB Output is correct
15 Correct 36 ms 48748 KB Output is correct
16 Correct 36 ms 48748 KB Output is correct
17 Incorrect 38 ms 48748 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 48748 KB Output is correct
2 Correct 37 ms 48748 KB Output is correct
3 Correct 38 ms 48748 KB Output is correct
4 Correct 35 ms 48748 KB Output is correct
5 Correct 40 ms 48748 KB Output is correct
6 Correct 39 ms 48748 KB Output is correct
7 Correct 36 ms 48748 KB Output is correct
8 Correct 36 ms 48748 KB Output is correct
9 Correct 35 ms 48748 KB Output is correct
10 Correct 38 ms 48748 KB Output is correct
11 Correct 41 ms 48748 KB Output is correct
12 Correct 36 ms 48748 KB Output is correct
13 Correct 45 ms 48748 KB Output is correct
14 Correct 38 ms 48748 KB Output is correct
15 Correct 37 ms 48748 KB Output is correct
16 Correct 38 ms 48748 KB Output is correct
17 Incorrect 41 ms 48784 KB Output isn't correct
18 Halted 0 ms 0 KB -