oj.uz

Submission #103229

# Submission time Handle Problem Language Result Execution time Memory
103229 2019-03-29T09:02:30 Z E869120 Duathlon (APIO18_duathlon) C++14
0 / 100
 112 ms 8832 KB 
#include <iostream>
#include <vector>
using namespace std;
#pragma warning (disable: 4996)

long long N, M, A[200009], B[200009]; vector<int>X[100009];

int main() {
	scanf("%lld%lld", &N, &M);
	for (int i = 1; i <= M; i++) {
		scanf("%lld%lld", &A[i], &B[i]);
		X[A[i]].push_back(B[i]);
		X[B[i]].push_back(A[i]);
	}
	long long ans = 0LL;
	if (M == N - 1) ans = N * (N - 1) * (N - 2) / 3LL;
	if (M == N - 0) ans = N * (N - 1) * (N - 2);
	printf("%lld\n", ans);
	return 0;
}

Compilation message

count_triplets.cpp:4:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning (disable: 4996)
 
count_triplets.cpp: In function 'int main()':
count_triplets.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
count_triplets.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &A[i], &B[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 8824 KB Output is correct
2 Correct 84 ms 8636 KB Output is correct
3 Incorrect 112 ms 8680 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 91 ms 8832 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 2816 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 69 ms 8688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 2688 KB Output isn't correct
2 Halted 0 ms 0 KB -