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Submission #547673

# Submission time Handle Problem Language Result Execution time Memory
547673 2022-04-11T10:25:00 Z amunduzbaev Mountains and Valleys (CCO20_day1problem3) C++17
0 / 25
 253 ms 333164 KB 
#include "bits/stdc++.h"
using namespace std;

#define ar array
const int N = 20;
int d[N][N], cc[N][N];
ar<int, 2> dp[1<<N][N];

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	memset(d, 63, sizeof d);
	for(int i=0;i<m;i++){
		int a, b, c; cin>>a>>b>>c;
		d[a][b] = d[b][a] = c;
		if(c>1) cc[a][b] = cc[b][a] = 1;
	}
	
	for(int k=0;k<n;k++){
		for(int i=0;i<n;i++){
			for(int j=0;j<n;j++){
				if(d[i][k] + d[k][j] < d[i][j]){
					d[i][j] = d[i][k] + d[k][j];
					cc[i][j] = cc[i][k] + cc[k][j];
				} else if(d[i][k] + d[k][j] == d[i][j]){
					cc[i][j] = min(cc[i][j], cc[i][k] + cc[k][j]);
				}
			}
		}
	}
	
	memset(dp, 63, sizeof dp);
	for(int i=0;i<n;i++) dp[1<<i][i] = {0, 0};
	for(int mask=0;mask<(1 << n);mask++){
		for(int j=0;j<n;j++){
			if(mask >> j & 1) continue;
			for(int k=0;k<n;k++){
				if(mask >> k & 1){
					dp[mask | (1 << j)][j] = min(dp[mask | (1 << j)][j], {dp[mask][k][0] + d[k][j], dp[mask][k][1] + cc[k][j]});
				}
			}
		}
	}
	const int inf = 2e9;
	ar<int, 2> res = {inf, inf};
	for(int i=0;i<n;i++){
		res = min(res, dp[(1 << n) - 1][i]);
	}
	assert(res[1] <= 0);
	cout<<res[0]<<"\n";
}

Subtask #1
0.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 164428 KB Output is correct
2 Correct 64 ms 164380 KB Output is correct
3 Correct 74 ms 164392 KB Output is correct
4 Correct 64 ms 164456 KB Output is correct
5 Correct 61 ms 164404 KB Output is correct
6 Correct 63 ms 164452 KB Output is correct
7 Correct 63 ms 164368 KB Output is correct
8 Correct 64 ms 164428 KB Output is correct
9 Correct 64 ms 164368 KB Output is correct
10 Correct 63 ms 164500 KB Output is correct
11 Runtime error 253 ms 333164 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -

Subtask #2
0.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 164428 KB Output is correct
2 Correct 64 ms 164380 KB Output is correct
3 Correct 74 ms 164392 KB Output is correct
4 Correct 64 ms 164456 KB Output is correct
5 Correct 61 ms 164404 KB Output is correct
6 Correct 63 ms 164452 KB Output is correct
7 Correct 63 ms 164368 KB Output is correct
8 Correct 64 ms 164428 KB Output is correct
9 Correct 64 ms 164368 KB Output is correct
10 Correct 63 ms 164500 KB Output is correct
11 Runtime error 253 ms 333164 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -

Subtask #3
0.0 / 2.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 444 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 164428 KB Output is correct
2 Correct 64 ms 164380 KB Output is correct
3 Correct 74 ms 164392 KB Output is correct
4 Correct 64 ms 164456 KB Output is correct
5 Correct 61 ms 164404 KB Output is correct
6 Correct 63 ms 164452 KB Output is correct
7 Correct 63 ms 164368 KB Output is correct
8 Correct 64 ms 164428 KB Output is correct
9 Correct 64 ms 164368 KB Output is correct
10 Correct 63 ms 164500 KB Output is correct
11 Runtime error 253 ms 333164 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -

Subtask #5
0.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 164428 KB Output is correct
2 Correct 64 ms 164380 KB Output is correct
3 Correct 74 ms 164392 KB Output is correct
4 Correct 64 ms 164456 KB Output is correct
5 Correct 61 ms 164404 KB Output is correct
6 Correct 63 ms 164452 KB Output is correct
7 Correct 63 ms 164368 KB Output is correct
8 Correct 64 ms 164428 KB Output is correct
9 Correct 64 ms 164368 KB Output is correct
10 Correct 63 ms 164500 KB Output is correct
11 Runtime error 253 ms 333164 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -

Subtask #6
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 164428 KB Output is correct
2 Correct 64 ms 164380 KB Output is correct
3 Correct 74 ms 164392 KB Output is correct
4 Correct 64 ms 164456 KB Output is correct
5 Correct 61 ms 164404 KB Output is correct
6 Correct 63 ms 164452 KB Output is correct
7 Correct 63 ms 164368 KB Output is correct
8 Correct 64 ms 164428 KB Output is correct
9 Correct 64 ms 164368 KB Output is correct
10 Correct 63 ms 164500 KB Output is correct
11 Runtime error 253 ms 333164 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -

Subtask #7
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 164428 KB Output is correct
2 Correct 64 ms 164380 KB Output is correct
3 Correct 74 ms 164392 KB Output is correct
4 Correct 64 ms 164456 KB Output is correct
5 Correct 61 ms 164404 KB Output is correct
6 Correct 63 ms 164452 KB Output is correct
7 Correct 63 ms 164368 KB Output is correct
8 Correct 64 ms 164428 KB Output is correct
9 Correct 64 ms 164368 KB Output is correct
10 Correct 63 ms 164500 KB Output is correct
11 Runtime error 253 ms 333164 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -

Subtask #8
0.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 63 ms 164428 KB Output is correct
2 Correct 64 ms 164380 KB Output is correct
3 Correct 74 ms 164392 KB Output is correct
4 Correct 64 ms 164456 KB Output is correct
5 Correct 61 ms 164404 KB Output is correct
6 Correct 63 ms 164452 KB Output is correct
7 Correct 63 ms 164368 KB Output is correct
8 Correct 64 ms 164428 KB Output is correct
9 Correct 64 ms 164368 KB Output is correct
10 Correct 63 ms 164500 KB Output is correct
11 Runtime error 253 ms 333164 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -