oj.uz

답안 #401779

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
401779 2021-05-10T19:57:51 Z lukameladze Pinball (JOI14_pinball) C++14
51 / 100
 1000 ms 39008 KB 
# include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
using namespace std;
const int N=3e5+5;
long long dp[N],dp1[N],n,m,a[N],b[N],c[N],d[N],ans,cnt;
map <long long, long long> tree,xx;
vector <long long> v;
void update(long long  node, long long  le, long long  ri ,long long  idx, long long  val) {
     if (le>idx || ri<idx) return; 
     if (le==ri) {
          tree[node]=min(tree[node],val);
          return ;
     }
     int mid=(le+ri)/2;
     update(2*node, le ,mid, idx, val);
     update(2*node+1, mid+1, ri, idx, val);
     tree[node]=min(tree[2*node],tree[2*node+1]);
}
long long  getans(long long  node, long long  le, long long  ri ,long long  start, long long  end) {
     if (le>end || ri<start) return 1e17; 
     if (le>=start && ri<=end) {
          return tree[node];
     }
     int mid=(le+ri)/2;
     return min(getans(2*node, le ,mid, start, end),getans(2*node+1, mid+1, ri, start,end));
}
int main() {
  std::ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	v.pb(1);
	
     cin>>m>>n;
    v.pb(n);
	 for (int i=1; i<=m; i++) {
          cin>>a[i]>>b[i]>>c[i]>>d[i];
          v.pb(a[i]);
          v.pb(b[i]);
          v.pb(c[i]);
 	}
 	sort(v.begin(), v.end());
 	xx[v[0]]=1;
 	cnt=1;
 	for (int i=1; i<v.size(); i++) {
 		if (v[i]!=v[i-1]) {
 			cnt++;
 			xx[v[i]]=cnt;
		 }
	 }
	 for (int i=1; i<=m; i++){ 
	 
	 	a[i]=xx[a[i]];
	 	b[i]=xx[b[i]];
	 	c[i]=xx[c[i]];//cout<<a[i]<<" "<<b[i]<<" "<<c[i]<<endl;
	 }
	 n=cnt;
     for (int i=1; i<=4*n; i++) {
          tree[i]=1e17;
     }
     for (int i=1; i<=m; i++) {
          if (a[i]==1) {
               dp[i]=d[i];
               update(1,1,n,c[i],dp[i]);
               continue;
          } 
          dp[i]=getans(1,1,n,a[i],b[i])+d[i];
          update(1,1,n,c[i],dp[i]);          //cout<<dp[5]<<endl;
 
     }
     for (int i=1; i<=4*n; i++) {
          tree[i]=1e17;
     }
     for (int i=1; i<=m; i++) {
          if (b[i]==n) {
               dp1[i]=d[i];
               update(1,1,n,c[i],dp1[i]);
               continue;
          }
          dp1[i]=getans(1,1,n,a[i],b[i])+d[i]; 
          update(1,1,n,c[i],dp1[i]);
     }
	 ans=1e17;
     for (int i=1; i<=m; i++) {
     //	cout<<dp[i]<<" "<<dp1[i]<<" "<<dp1[i]-d[i]<<" "<<d[i]<<" "<<dp[i]+dp1[i]-d[i]<<endl;
	      ans=min(ans, dp[i]+dp1[i]-d[i]);
     }
     if (ans==1e17) cout<<-1<<endl;else
     cout<<ans<<endl;
}

Compilation message

pinball.cpp: In function 'int main()':
pinball.cpp:44:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   for (int i=1; i<v.size(); i++) {
      |                 ~^~~~~~~~~

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 324 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 3 ms 460 KB Output is correct
13 Correct 3 ms 460 KB Output is correct
14 Correct 2 ms 532 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 324 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 3 ms 460 KB Output is correct
13 Correct 3 ms 460 KB Output is correct
14 Correct 2 ms 532 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 3 ms 588 KB Output is correct
17 Correct 9 ms 904 KB Output is correct
18 Correct 3 ms 460 KB Output is correct
19 Correct 13 ms 1228 KB Output is correct
20 Correct 8 ms 716 KB Output is correct
21 Correct 6 ms 844 KB Output is correct
22 Correct 13 ms 1372 KB Output is correct
23 Correct 11 ms 1360 KB Output is correct
24 Correct 13 ms 1404 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 324 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 3 ms 460 KB Output is correct
13 Correct 3 ms 460 KB Output is correct
14 Correct 2 ms 532 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 3 ms 588 KB Output is correct
17 Correct 9 ms 904 KB Output is correct
18 Correct 3 ms 460 KB Output is correct
19 Correct 13 ms 1228 KB Output is correct
20 Correct 8 ms 716 KB Output is correct
21 Correct 6 ms 844 KB Output is correct
22 Correct 13 ms 1372 KB Output is correct
23 Correct 11 ms 1360 KB Output is correct
24 Correct 13 ms 1404 KB Output is correct
25 Correct 212 ms 6660 KB Output is correct
26 Correct 646 ms 20464 KB Output is correct
27 Execution timed out 1103 ms 39008 KB Time limit exceeded
28 Halted 0 ms 0 KB -