oj.uz

답안 #53080

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
53080 2018-06-28T05:04:09 Z okaybody10 Pinball (JOI14_pinball) C++
51 / 100
 191 ms 19020 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int sz=2e5+3;
const ll mnv=1e18;
ll s1[sz*2],s2[sz*2];
void update(ll *a,int x,ll v)
{
    x+=sz;
  a[x]=min(a[x],v);
    for(;x>1;x>>=1) a[x>>1]=min(a[x],a[x^1]);
}
ll query(ll *a,int s,int e)
{
    ll ans=mnv;
    for(s+=sz,e+=sz;s<e;s>>=1,e>>=1)
    {
        if(s&1) ans=min(ans,a[s++]);
        if(e&1) ans=min(ans,a[--e]);
    }
    return ans;
}
int main()
{
    int N,M;
    scanf("%d %d",&N,&M);
    int a[100006],b[100006],c[100006],d[100006];
    for(int i=0;i<N;i++) scanf("%d %d %d %d",&a[i],&b[i],&c[i],&d[i]);
    vector<int> e;
    e.push_back(1),e.push_back(M);
    for(int i=0;i<N;i++) e.push_back(a[i]),e.push_back(b[i]),e.push_back(c[i]);
    sort(e.begin(),e.end());
    vector<int>::iterator it;
    it=unique(e.begin(),e.end());
    e.resize(distance(e.begin(),it));
    for(int i=0;i<N;i++) a[i]=lower_bound(e.begin(),e.end(),a[i])-e.begin(),b[i]=lower_bound(e.begin(),e.end(),b[i])-e.begin(),c[i]=lower_bound(e.begin(),e.end(),c[i])-e.begin();
    for(int i=0;i<sz*2;i++) s1[i]=s2[i]=mnv;
    ll ans=mnv;
    int cnt=e.size();
    update(s1,0,0),update(s2,cnt-1,0);
    for(int i=0;i<N;i++)
    {
        ll o1=query(s1,a[i],b[i]+1)+d[i];
        update(s1,c[i],o1);
        ll o2=query(s2,a[i],b[i]+1)+d[i];
        update(s2,c[i],o2);
        ans=min(ans,o1+o2-d[i]);
    }
    return !printf("%lld",ans==mnv ? -1 : ans);
}

Compilation message

pinball.cpp: In function 'int main()':
pinball.cpp:26:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&M);
     ~~~~~^~~~~~~~~~~~~~~
pinball.cpp:28:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=0;i<N;i++) scanf("%d %d %d %d",&a[i],&b[i],&c[i],&d[i]);
                          ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 6520 KB Output is correct
2 Correct 7 ms 6628 KB Output is correct
3 Correct 7 ms 6808 KB Output is correct
4 Correct 6 ms 6808 KB Output is correct
5 Correct 6 ms 6808 KB Output is correct
6 Correct 7 ms 6812 KB Output is correct
7 Correct 7 ms 6856 KB Output is correct
8 Correct 7 ms 6860 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 6520 KB Output is correct
2 Correct 7 ms 6628 KB Output is correct
3 Correct 7 ms 6808 KB Output is correct
4 Correct 6 ms 6808 KB Output is correct
5 Correct 6 ms 6808 KB Output is correct
6 Correct 7 ms 6812 KB Output is correct
7 Correct 7 ms 6856 KB Output is correct
8 Correct 7 ms 6860 KB Output is correct
9 Correct 8 ms 6868 KB Output is correct
10 Correct 10 ms 6892 KB Output is correct
11 Correct 8 ms 6892 KB Output is correct
12 Correct 8 ms 7004 KB Output is correct
13 Correct 7 ms 7004 KB Output is correct
14 Correct 7 ms 7004 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 6520 KB Output is correct
2 Correct 7 ms 6628 KB Output is correct
3 Correct 7 ms 6808 KB Output is correct
4 Correct 6 ms 6808 KB Output is correct
5 Correct 6 ms 6808 KB Output is correct
6 Correct 7 ms 6812 KB Output is correct
7 Correct 7 ms 6856 KB Output is correct
8 Correct 7 ms 6860 KB Output is correct
9 Correct 8 ms 6868 KB Output is correct
10 Correct 10 ms 6892 KB Output is correct
11 Correct 8 ms 6892 KB Output is correct
12 Correct 8 ms 7004 KB Output is correct
13 Correct 7 ms 7004 KB Output is correct
14 Correct 7 ms 7004 KB Output is correct
15 Correct 7 ms 7004 KB Output is correct
16 Correct 7 ms 7004 KB Output is correct
17 Correct 8 ms 7004 KB Output is correct
18 Correct 8 ms 7004 KB Output is correct
19 Correct 8 ms 7004 KB Output is correct
20 Correct 7 ms 7004 KB Output is correct
21 Correct 7 ms 7004 KB Output is correct
22 Correct 8 ms 7004 KB Output is correct
23 Correct 8 ms 7004 KB Output is correct
24 Correct 8 ms 7004 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 6520 KB Output is correct
2 Correct 7 ms 6628 KB Output is correct
3 Correct 7 ms 6808 KB Output is correct
4 Correct 6 ms 6808 KB Output is correct
5 Correct 6 ms 6808 KB Output is correct
6 Correct 7 ms 6812 KB Output is correct
7 Correct 7 ms 6856 KB Output is correct
8 Correct 7 ms 6860 KB Output is correct
9 Correct 8 ms 6868 KB Output is correct
10 Correct 10 ms 6892 KB Output is correct
11 Correct 8 ms 6892 KB Output is correct
12 Correct 8 ms 7004 KB Output is correct
13 Correct 7 ms 7004 KB Output is correct
14 Correct 7 ms 7004 KB Output is correct
15 Correct 7 ms 7004 KB Output is correct
16 Correct 7 ms 7004 KB Output is correct
17 Correct 8 ms 7004 KB Output is correct
18 Correct 8 ms 7004 KB Output is correct
19 Correct 8 ms 7004 KB Output is correct
20 Correct 7 ms 7004 KB Output is correct
21 Correct 7 ms 7004 KB Output is correct
22 Correct 8 ms 7004 KB Output is correct
23 Correct 8 ms 7004 KB Output is correct
24 Correct 8 ms 7004 KB Output is correct
25 Correct 20 ms 7292 KB Output is correct
26 Correct 46 ms 7668 KB Output is correct
27 Correct 132 ms 8936 KB Output is correct
28 Correct 166 ms 9704 KB Output is correct
29 Correct 94 ms 9704 KB Output is correct
30 Correct 158 ms 9856 KB Output is correct
31 Correct 191 ms 9856 KB Output is correct
32 Correct 189 ms 9856 KB Output is correct
33 Correct 29 ms 9856 KB Output is correct
34 Correct 93 ms 9856 KB Output is correct
35 Runtime error 122 ms 19020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
36 Halted 0 ms 0 KB -