CSES - Datatähti Open 2019 - Results
Submission details
Task:Sum
Sender:shashwatchandra
Submission time:2019-01-18 21:30:32
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED100
Test results
testverdicttime
#1ACCEPTED0.01 sdetails
#2ACCEPTED0.01 sdetails
#3ACCEPTED0.02 sdetails
#4ACCEPTED0.01 sdetails
#5ACCEPTED0.01 sdetails
#6ACCEPTED0.02 sdetails
#7ACCEPTED0.03 sdetails
#8ACCEPTED0.02 sdetails
#9ACCEPTED0.01 sdetails
#10ACCEPTED0.02 sdetails
#11ACCEPTED0.01 sdetails
#12ACCEPTED0.02 sdetails
#13ACCEPTED0.03 sdetails
#14ACCEPTED0.02 sdetails
#15ACCEPTED0.02 sdetails
#16ACCEPTED0.02 sdetails
#17ACCEPTED0.03 sdetails
#18ACCEPTED0.01 sdetails
#19ACCEPTED0.02 sdetails
#20ACCEPTED0.02 sdetails
#21ACCEPTED0.01 sdetails
#22ACCEPTED0.03 sdetails
#23ACCEPTED0.02 sdetails
#24ACCEPTED0.02 sdetails
#25ACCEPTED0.01 sdetails
#26ACCEPTED0.02 sdetails
#27ACCEPTED0.03 sdetails
#28ACCEPTED0.02 sdetails

Code

/*input
9
*/
#include<bits/stdc++.h>
using namespace std;

#define int long long 
#define double long double
#define f first
#define s second
#define mp make_pair
#define pb push_back
#define RE(i,n) for (int i = 1; i <= n; i++)
#define RED(i,n) for (int i = n; i > 0; i--)
#define REPS(i,n) for(int i = 1; (i*i) <= n; i++)
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define mii map<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define WL(t) while(t --)
#define gcd(a,b) __gcd((a),(b))
#define lcm(a,b) ((a)*(b))/gcd((a),(b))
#define print(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout << *it << " "; cout << endl;
#define debug(x) cout << x << endl;
#define debug2(x,y) cout << x << " " << y << endl;
#define debug3(x,y,z) cout << x << " " << y << " " << z << endl;
const int INF = 1e18+1;
const int MOD = 1e9+7;
const double PI = 3.14159265358979323846264338;

int fast_ex(int a,int n,int m){
  if(n == 0)return 1;
  if(n == 1)return a;
  int x = 1;
    x *= fast_ex(a,n/2,m);
    x %= m;
    x *= x;
    x %= m;
    if(n%2)x*= a;
    x %= m;
    return x;
}


void solve(){
     int n;cin >> n;
     int ans = 0;
     for(int i = 1;i <= n;i++){
       for(int j = i+1;j <= n;j++){
          if(n-(i+j) < 1)continue;
          if(n-(i+j) == i)continue;
          if(n-(i+j) == j)continue;
          if(i == j)continue;
          if(i > j)continue;
          ans++;
       }
     }
     cout << ans/3;
}

signed main(){
  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  //freopen(".in","r",stdin);freopen(".out","w",stdout);
  int t = 1;//cin >> t;
  WL(t)solve();
  return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
1

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
2

correct output
0

user output
0

Test 3

Verdict: ACCEPTED

input
3

correct output
0

user output
0

Test 4

Verdict: ACCEPTED

input
4

correct output
0

user output
0

Test 5

Verdict: ACCEPTED

input
5

correct output
0

user output
0

Test 6

Verdict: ACCEPTED

input
6

correct output
1

user output
1

Test 7

Verdict: ACCEPTED

input
7

correct output
1

user output
1

Test 8

Verdict: ACCEPTED

input
8

correct output
2

user output
2

Test 9

Verdict: ACCEPTED

input
9

correct output
3

user output
3

Test 10

Verdict: ACCEPTED

input
10

correct output
4

user output
4

Test 11

Verdict: ACCEPTED

input
20

correct output
24

user output
24

Test 12

Verdict: ACCEPTED

input
30

correct output
61

user output
61

Test 13

Verdict: ACCEPTED

input
40

correct output
114

user output
114

Test 14

Verdict: ACCEPTED

input
50

correct output
184

user output
184

Test 15

Verdict: ACCEPTED

input
60

correct output
271

user output
271

Test 16

Verdict: ACCEPTED

input
70

correct output
374

user output
374

Test 17

Verdict: ACCEPTED

input
80

correct output
494

user output
494

Test 18

Verdict: ACCEPTED

input
90

correct output
631

user output
631

Test 19

Verdict: ACCEPTED

input
100

correct output
784

user output
784

Test 20

Verdict: ACCEPTED

input
200

correct output
3234

user output
3234

Test 21

Verdict: ACCEPTED

input
300

correct output
7351

user output
7351

Test 22

Verdict: ACCEPTED

input
400

correct output
13134

user output
13134

Test 23

Verdict: ACCEPTED

input
500

correct output
20584

user output
20584

Test 24

Verdict: ACCEPTED

input
600

correct output
29701

user output
29701

Test 25

Verdict: ACCEPTED

input
700

correct output
40484

user output
40484

Test 26

Verdict: ACCEPTED

input
800

correct output
52934

user output
52934

Test 27

Verdict: ACCEPTED

input
900

correct output
67051

user output
67051

Test 28

Verdict: ACCEPTED

input
1000

correct output
82834

user output
82834