Submission #7312438


Source Code Expand

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#include <bits/stdc++.h>

#define rep(i, n) for (ll i = 0; i < (n); i++)
#define rep2(i, a, b) for (ll i = (a); i < (b); i++)
typedef uint64_t ull;
typedef int64_t ll;
typedef std::pair<ll, ll> PLL;

using namespace std;

signed main() {
  ll N;
  cin >> N;
  ll ans = N*(N-1)/2;
  cout << ans << endl;
  return 0;
}

Submission Info

Submission Time
Task D - ModSum
User bobuhiro11
Language C++14 (GCC 5.4.1)
Score 400
Code Size 334 Byte
Status
Exec Time 1 ms
Memory 256 KB

Test Cases

Set Name Score / Max Score Test Cases
All 400 / 400 sample_01, sample_02, sample_03, testcase_01, testcase_02, testcase_03, testcase_04, testcase_05, testcase_06, testcase_07, testcase_08, testcase_09, testcase_10, testcase_11, testcase_12
Sample 0 / 0 sample_01, sample_02, sample_03
Case Name Status Exec Time Memory
sample_01 1 ms 256 KB
sample_02 1 ms 256 KB
sample_03 1 ms 256 KB
testcase_01 1 ms 256 KB
testcase_02 1 ms 256 KB
testcase_03 1 ms 256 KB
testcase_04 1 ms 256 KB
testcase_05 1 ms 256 KB
testcase_06 1 ms 256 KB
testcase_07 1 ms 256 KB
testcase_08 1 ms 256 KB
testcase_09 1 ms 256 KB
testcase_10 1 ms 256 KB
testcase_11 1 ms 256 KB
testcase_12 1 ms 256 KB