oj.uz

Submission #1087267

# Submission time Handle Problem Language Result Execution time Memory
1087267 2024-09-12T12:01:36 Z PieArmy Toll (BOI17_toll) C++17
100 / 100
 65 ms 19288 KB 
typedef long long ll;
ll pie(ll army){return (1ll<<army);}
#include <bits/stdc++.h>
#define fr first
#define sc second
#define pb push_back
#define endl '\n'
#define mid ((left+right)>>1)
const ll inf=2000000000000000005;
const int sonsuz=1000000005;
using namespace std;
ll fpow(ll x,ll y,ll m=0){if(y<0){cout<<"powError";return -1;}if(m)x%=m;ll res=1;while(y>0){if(y&1)res*=x;x*=x;if(m){x%=m;res%=m;}y>>=1;}return res;}

int k,n,m,q;
int nex[50001][16][5];

void code(){
	cin>>k>>n>>m>>q;
	for(int i=0;i<n;i++){
		for(int j=0;j<16;j++){
			for(int l=0;l<k;l++){
				nex[i][j][l]=sonsuz;
			}
		}
	}
	for(int i=1;i<=m;i++){
		int a,b,t;cin>>a>>b>>t;
		nex[a][0][b%k]=min(t,nex[a][0][b%k]);
	}
	for(int i=1;i<16;i++){
		for(int x=0;x<n;x++){
			for(int a=0;a<k;a++){
				for(int b=0;b<k;b++){
					int y=((x/k)+pie(i-1))*k+a;
					if(y>=n)continue;
					nex[x][i][b]=min(nex[x][i][b],nex[x][i-1][a]+nex[y][i-1][b]);
				}
			}
		}
	}
	while(q--){
		int yunuy,suayp;cin>>yunuy>>suayp;
		int pos=yunuy/k,tar=suayp/k;
		int ans[k];for(int &x:ans)x=sonsuz;
		ans[yunuy%k]=0;
		for(int i=0;i<16;i++){
			if((tar-pos)&pie(i)){
				int yeni[k];for(int &x:yeni)x=sonsuz;
				for(int a=0;a<k;a++){
					if(ans[a]==sonsuz)continue;
					for(int b=0;b<k;b++){
						if(nex[pos*k+a][i][b]==sonsuz)continue;
						yeni[b]=min(yeni[b],ans[a]+nex[pos*k+a][i][b]);
					}
				}
				for(int j=0;j<k;j++){
					ans[j]=yeni[j];
				}
				pos+=pie(i);
			}
		}
		if(ans[suayp%k]==sonsuz){
			cout<<-1;
		}
		else cout<<ans[suayp%k];
		cout<<endl;
	}
}

int main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);
	bool usaco=0;if(usaco){freopen(".in","r",stdin);freopen(".out","w",stdout);}
	int t=1;
	if(!t)cin>>t;
	while(t--){code();cout<<endl;}
	return 0;
}

Compilation message

toll.cpp: In function 'int main()':
toll.cpp:72:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |  bool usaco=0;if(usaco){freopen(".in","r",stdin);freopen(".out","w",stdout);}
      |                         ~~~~~~~^~~~~~~~~~~~~~~~~
toll.cpp:72:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |  bool usaco=0;if(usaco){freopen(".in","r",stdin);freopen(".out","w",stdout);}
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 16984 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 804 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 28 ms 16988 KB Output is correct
9 Correct 25 ms 16988 KB Output is correct
10 Correct 12 ms 16216 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 17624 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 5 ms 868 KB Output is correct
8 Correct 3 ms 860 KB Output is correct
9 Correct 21 ms 16996 KB Output is correct
10 Correct 45 ms 18400 KB Output is correct
11 Correct 42 ms 17740 KB Output is correct
12 Correct 36 ms 17244 KB Output is correct
13 Correct 43 ms 12112 KB Output is correct
14 Correct 29 ms 11092 KB Output is correct
15 Correct 31 ms 11072 KB Output is correct
16 Correct 39 ms 11096 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 19 ms 16860 KB Output is correct
11 Correct 42 ms 17604 KB Output is correct
12 Correct 47 ms 18260 KB Output is correct
13 Correct 47 ms 18384 KB Output is correct
14 Correct 39 ms 17756 KB Output is correct
15 Correct 32 ms 10872 KB Output is correct
16 Correct 30 ms 10840 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 19 ms 16860 KB Output is correct
11 Correct 42 ms 17604 KB Output is correct
12 Correct 47 ms 18260 KB Output is correct
13 Correct 47 ms 18384 KB Output is correct
14 Correct 39 ms 17756 KB Output is correct
15 Correct 32 ms 10872 KB Output is correct
16 Correct 30 ms 10840 KB Output is correct
17 Correct 32 ms 17500 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 24 ms 16948 KB Output is correct
28 Correct 49 ms 18260 KB Output is correct
29 Correct 46 ms 18508 KB Output is correct
30 Correct 41 ms 17748 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 16984 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 804 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 28 ms 16988 KB Output is correct
9 Correct 25 ms 16988 KB Output is correct
10 Correct 12 ms 16216 KB Output is correct
11 Correct 34 ms 17624 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 5 ms 868 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 21 ms 16996 KB Output is correct
20 Correct 45 ms 18400 KB Output is correct
21 Correct 42 ms 17740 KB Output is correct
22 Correct 36 ms 17244 KB Output is correct
23 Correct 43 ms 12112 KB Output is correct
24 Correct 29 ms 11092 KB Output is correct
25 Correct 31 ms 11072 KB Output is correct
26 Correct 39 ms 11096 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 2 ms 844 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 19 ms 16860 KB Output is correct
37 Correct 42 ms 17604 KB Output is correct
38 Correct 47 ms 18260 KB Output is correct
39 Correct 47 ms 18384 KB Output is correct
40 Correct 39 ms 17756 KB Output is correct
41 Correct 32 ms 10872 KB Output is correct
42 Correct 30 ms 10840 KB Output is correct
43 Correct 32 ms 17500 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 2 ms 860 KB Output is correct
51 Correct 2 ms 860 KB Output is correct
52 Correct 2 ms 860 KB Output is correct
53 Correct 24 ms 16948 KB Output is correct
54 Correct 49 ms 18260 KB Output is correct
55 Correct 46 ms 18508 KB Output is correct
56 Correct 41 ms 17748 KB Output is correct
57 Correct 65 ms 19288 KB Output is correct
58 Correct 25 ms 16984 KB Output is correct
59 Correct 43 ms 17748 KB Output is correct