oj.uz

Submission #644640

# Submission time Handle Problem Language Result Execution time Memory
644640 2022-09-25T04:59:48 Z guagua0407 Toll (BOI17_toll) C++17
100 / 100
 234 ms 98240 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void setIO(string s) {
	freopen((s + ".in").c_str(), "r", stdin);
	freopen((s + ".out").c_str(), "w", stdout);
}

int k,n,m,o;
const int mxn=5e4+4;
int dp[mxn][20][5][5];
int ans[5][5];
int tmp[5][5];

void ckmin(int a[5][5],int b[5][5],int c[5][5]){
	for(int x=0;x<5;x++){
		for(int y=0;y<5;y++){
			for(int z=0;z<5;z++){
				a[x][z]=min(a[x][z],b[x][y]+c[y][z]);
			}
		}
	}
}

int main() {_
	//setIO("wayne");
    cin>>k>>n>>m>>o;
	memset(dp,0x3f,sizeof dp);
	for(int i=0;i<m;i++){
		int a,b,t;
		cin>>a>>b>>t;
		dp[a/k][0][a%k][b%k]=t;
	}
	for(int j=1;j<20;j++){
		for(int i=0;i + (1 << j) < (n + k - 1) / k;i++){
			ckmin(dp[i][j],dp[i][j-1],dp[i+(1<<j-1)][j-1]);
		}
	}
	for(int i=0;i<o;i++){
		int a,b;
		cin>>a>>b;
		int node=a/k;
		int length=(b/k)-(a/k);
		memset(ans,0x3f,sizeof ans);
		for(int i=0;i<5;i++){
			ans[i][i]=0;			
		}
		//cout<<length<<'\n';
		for(int i=0;i<20;i++){
			if(length&(1<<i)){
				memset(tmp,0x3f,sizeof tmp);
				ckmin(tmp,ans,dp[node][i]);
				memcpy(ans,tmp,sizeof ans);
				node+=(1<<i);
			}
		}
		cout<<(ans[a%k][b%k]==0x3f3f3f3f?-1:ans[a%k][b%k])<<'\n';
	}
	return 0;
}
//maybe its multiset not set

Compilation message

toll.cpp: In function 'int main()':
toll.cpp:41:40: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   41 |    ckmin(dp[i][j],dp[i][j-1],dp[i+(1<<j-1)][j-1]);
      |                                       ~^~
toll.cpp: In function 'void setIO(std::string)':
toll.cpp:10:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  freopen((s + ".in").c_str(), "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
toll.cpp:11:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  freopen((s + ".out").c_str(), "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 234 ms 98144 KB Output is correct
2 Correct 45 ms 98140 KB Output is correct
3 Correct 36 ms 98060 KB Output is correct
4 Correct 35 ms 98060 KB Output is correct
5 Correct 38 ms 98052 KB Output is correct
6 Correct 38 ms 98160 KB Output is correct
7 Correct 40 ms 98076 KB Output is correct
8 Correct 228 ms 98168 KB Output is correct
9 Correct 230 ms 98160 KB Output is correct
10 Correct 212 ms 98156 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 98220 KB Output is correct
2 Correct 36 ms 98124 KB Output is correct
3 Correct 35 ms 98140 KB Output is correct
4 Correct 41 ms 98088 KB Output is correct
5 Correct 37 ms 98108 KB Output is correct
6 Correct 37 ms 98108 KB Output is correct
7 Correct 46 ms 98124 KB Output is correct
8 Correct 45 ms 98196 KB Output is correct
9 Correct 224 ms 98156 KB Output is correct
10 Correct 124 ms 98156 KB Output is correct
11 Correct 147 ms 98240 KB Output is correct
12 Correct 119 ms 98180 KB Output is correct
13 Correct 118 ms 98148 KB Output is correct
14 Correct 81 ms 98080 KB Output is correct
15 Correct 66 ms 98080 KB Output is correct
16 Correct 67 ms 98156 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 98124 KB Output is correct
2 Correct 39 ms 98128 KB Output is correct
3 Correct 39 ms 98056 KB Output is correct
4 Correct 38 ms 98128 KB Output is correct
5 Correct 41 ms 98124 KB Output is correct
6 Correct 44 ms 98140 KB Output is correct
7 Correct 41 ms 98080 KB Output is correct
8 Correct 38 ms 98088 KB Output is correct
9 Correct 44 ms 98072 KB Output is correct
10 Correct 220 ms 98192 KB Output is correct
11 Correct 137 ms 98156 KB Output is correct
12 Correct 108 ms 98156 KB Output is correct
13 Correct 113 ms 98032 KB Output is correct
14 Correct 106 ms 98156 KB Output is correct
15 Correct 71 ms 98156 KB Output is correct
16 Correct 62 ms 98036 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 98124 KB Output is correct
2 Correct 39 ms 98128 KB Output is correct
3 Correct 39 ms 98056 KB Output is correct
4 Correct 38 ms 98128 KB Output is correct
5 Correct 41 ms 98124 KB Output is correct
6 Correct 44 ms 98140 KB Output is correct
7 Correct 41 ms 98080 KB Output is correct
8 Correct 38 ms 98088 KB Output is correct
9 Correct 44 ms 98072 KB Output is correct
10 Correct 220 ms 98192 KB Output is correct
11 Correct 137 ms 98156 KB Output is correct
12 Correct 108 ms 98156 KB Output is correct
13 Correct 113 ms 98032 KB Output is correct
14 Correct 106 ms 98156 KB Output is correct
15 Correct 71 ms 98156 KB Output is correct
16 Correct 62 ms 98036 KB Output is correct
17 Correct 137 ms 98152 KB Output is correct
18 Correct 36 ms 98036 KB Output is correct
19 Correct 40 ms 98116 KB Output is correct
20 Correct 36 ms 98136 KB Output is correct
21 Correct 45 ms 98152 KB Output is correct
22 Correct 40 ms 98144 KB Output is correct
23 Correct 41 ms 98072 KB Output is correct
24 Correct 41 ms 98128 KB Output is correct
25 Correct 41 ms 98120 KB Output is correct
26 Correct 40 ms 98164 KB Output is correct
27 Correct 227 ms 98164 KB Output is correct
28 Correct 117 ms 98160 KB Output is correct
29 Correct 122 ms 98132 KB Output is correct
30 Correct 115 ms 98156 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 234 ms 98144 KB Output is correct
2 Correct 45 ms 98140 KB Output is correct
3 Correct 36 ms 98060 KB Output is correct
4 Correct 35 ms 98060 KB Output is correct
5 Correct 38 ms 98052 KB Output is correct
6 Correct 38 ms 98160 KB Output is correct
7 Correct 40 ms 98076 KB Output is correct
8 Correct 228 ms 98168 KB Output is correct
9 Correct 230 ms 98160 KB Output is correct
10 Correct 212 ms 98156 KB Output is correct
11 Correct 141 ms 98220 KB Output is correct
12 Correct 36 ms 98124 KB Output is correct
13 Correct 35 ms 98140 KB Output is correct
14 Correct 41 ms 98088 KB Output is correct
15 Correct 37 ms 98108 KB Output is correct
16 Correct 37 ms 98108 KB Output is correct
17 Correct 46 ms 98124 KB Output is correct
18 Correct 45 ms 98196 KB Output is correct
19 Correct 224 ms 98156 KB Output is correct
20 Correct 124 ms 98156 KB Output is correct
21 Correct 147 ms 98240 KB Output is correct
22 Correct 119 ms 98180 KB Output is correct
23 Correct 118 ms 98148 KB Output is correct
24 Correct 81 ms 98080 KB Output is correct
25 Correct 66 ms 98080 KB Output is correct
26 Correct 67 ms 98156 KB Output is correct
27 Correct 37 ms 98124 KB Output is correct
28 Correct 39 ms 98128 KB Output is correct
29 Correct 39 ms 98056 KB Output is correct
30 Correct 38 ms 98128 KB Output is correct
31 Correct 41 ms 98124 KB Output is correct
32 Correct 44 ms 98140 KB Output is correct
33 Correct 41 ms 98080 KB Output is correct
34 Correct 38 ms 98088 KB Output is correct
35 Correct 44 ms 98072 KB Output is correct
36 Correct 220 ms 98192 KB Output is correct
37 Correct 137 ms 98156 KB Output is correct
38 Correct 108 ms 98156 KB Output is correct
39 Correct 113 ms 98032 KB Output is correct
40 Correct 106 ms 98156 KB Output is correct
41 Correct 71 ms 98156 KB Output is correct
42 Correct 62 ms 98036 KB Output is correct
43 Correct 137 ms 98152 KB Output is correct
44 Correct 36 ms 98036 KB Output is correct
45 Correct 40 ms 98116 KB Output is correct
46 Correct 36 ms 98136 KB Output is correct
47 Correct 45 ms 98152 KB Output is correct
48 Correct 40 ms 98144 KB Output is correct
49 Correct 41 ms 98072 KB Output is correct
50 Correct 41 ms 98128 KB Output is correct
51 Correct 41 ms 98120 KB Output is correct
52 Correct 40 ms 98164 KB Output is correct
53 Correct 227 ms 98164 KB Output is correct
54 Correct 117 ms 98160 KB Output is correct
55 Correct 122 ms 98132 KB Output is correct
56 Correct 115 ms 98156 KB Output is correct
57 Correct 141 ms 98200 KB Output is correct
58 Correct 233 ms 98152 KB Output is correct
59 Correct 153 ms 98156 KB Output is correct