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Submission #41668

# Submission time Handle Problem Language Result Execution time Memory
41668 2018-02-20T11:22:25 Z repeating Jakarta Skyscrapers (APIO15_skyscraper) C++11
22 / 100
 40 ms 43332 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=173;
ll dp[30005][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));}
    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 31 ms 42616 KB Output is correct
2 Correct 31 ms 42616 KB Output is correct
3 Correct 31 ms 42664 KB Output is correct
4 Correct 31 ms 42736 KB Output is correct
5 Correct 31 ms 42736 KB Output is correct
6 Correct 31 ms 42736 KB Output is correct
7 Correct 31 ms 42752 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 42752 KB Output is correct
2 Correct 32 ms 42752 KB Output is correct
3 Correct 32 ms 42788 KB Output is correct
4 Correct 32 ms 42844 KB Output is correct
5 Correct 32 ms 42860 KB Output is correct
6 Correct 38 ms 42860 KB Output is correct
7 Correct 35 ms 42988 KB Output is correct
8 Correct 31 ms 42988 KB Output is correct
9 Correct 32 ms 42992 KB Output is correct
10 Correct 32 ms 42992 KB Output is correct
11 Correct 32 ms 42992 KB Output is correct
12 Correct 32 ms 42992 KB Output is correct
13 Correct 36 ms 42992 KB Output is correct
14 Correct 35 ms 42992 KB Output is correct
15 Correct 35 ms 42992 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 42992 KB Output is correct
2 Correct 31 ms 42992 KB Output is correct
3 Correct 34 ms 42992 KB Output is correct
4 Correct 33 ms 42992 KB Output is correct
5 Correct 35 ms 42992 KB Output is correct
6 Correct 31 ms 42992 KB Output is correct
7 Correct 32 ms 42992 KB Output is correct
8 Correct 32 ms 42992 KB Output is correct
9 Correct 32 ms 42992 KB Output is correct
10 Correct 33 ms 42992 KB Output is correct
11 Correct 35 ms 42992 KB Output is correct
12 Correct 33 ms 42992 KB Output is correct
13 Correct 32 ms 42992 KB Output is correct
14 Correct 33 ms 42992 KB Output is correct
15 Correct 35 ms 42992 KB Output is correct
16 Correct 32 ms 42992 KB Output is correct
17 Correct 34 ms 43244 KB Output is correct
18 Correct 34 ms 43244 KB Output is correct
19 Correct 34 ms 43244 KB Output is correct
20 Correct 33 ms 43244 KB Output is correct
21 Correct 36 ms 43244 KB Output is correct
22 Correct 34 ms 43244 KB Output is correct
23 Incorrect 34 ms 43244 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 43244 KB Output is correct
2 Correct 34 ms 43244 KB Output is correct
3 Correct 33 ms 43244 KB Output is correct
4 Correct 33 ms 43244 KB Output is correct
5 Correct 32 ms 43244 KB Output is correct
6 Correct 33 ms 43244 KB Output is correct
7 Correct 33 ms 43244 KB Output is correct
8 Correct 33 ms 43244 KB Output is correct
9 Correct 33 ms 43244 KB Output is correct
10 Correct 34 ms 43244 KB Output is correct
11 Correct 35 ms 43244 KB Output is correct
12 Correct 38 ms 43244 KB Output is correct
13 Correct 35 ms 43244 KB Output is correct
14 Correct 35 ms 43244 KB Output is correct
15 Correct 33 ms 43244 KB Output is correct
16 Correct 33 ms 43244 KB Output is correct
17 Correct 35 ms 43244 KB Output is correct
18 Correct 34 ms 43244 KB Output is correct
19 Correct 33 ms 43244 KB Output is correct
20 Correct 37 ms 43244 KB Output is correct
21 Correct 33 ms 43244 KB Output is correct
22 Correct 33 ms 43244 KB Output is correct
23 Incorrect 35 ms 43244 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 43244 KB Output is correct
2 Correct 33 ms 43244 KB Output is correct
3 Correct 35 ms 43244 KB Output is correct
4 Correct 33 ms 43244 KB Output is correct
5 Correct 34 ms 43244 KB Output is correct
6 Correct 33 ms 43244 KB Output is correct
7 Correct 35 ms 43244 KB Output is correct
8 Correct 33 ms 43244 KB Output is correct
9 Correct 33 ms 43244 KB Output is correct
10 Correct 31 ms 43244 KB Output is correct
11 Correct 33 ms 43244 KB Output is correct
12 Correct 32 ms 43244 KB Output is correct
13 Correct 32 ms 43244 KB Output is correct
14 Correct 35 ms 43244 KB Output is correct
15 Correct 36 ms 43244 KB Output is correct
16 Correct 36 ms 43244 KB Output is correct
17 Correct 40 ms 43332 KB Output is correct
18 Correct 34 ms 43332 KB Output is correct
19 Correct 33 ms 43332 KB Output is correct
20 Correct 33 ms 43332 KB Output is correct
21 Correct 34 ms 43332 KB Output is correct
22 Correct 34 ms 43332 KB Output is correct
23 Incorrect 35 ms 43332 KB Output isn't correct
24 Halted 0 ms 0 KB -