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HIIT Open 2017

Start:2017-05-27 11:00:00
End:2017-05-27 16:00:00
 

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CSES - HIIT Open 2017 - Results
History
2017-05-27 11:12:45
Task:Algorithm
Sender:KnowYourArchitecture
Submission time:2017-05-27 11:12:45
Language:C++
Status:READY
Result:ACCEPTED

Test results

testverdicttime (s)
#1ACCEPTED0.03 / 0.50details
#2ACCEPTED0.04 / 0.50details
#3ACCEPTED0.06 / 0.50details
#4ACCEPTED0.04 / 0.50details
#5ACCEPTED0.07 / 0.50details
#6ACCEPTED0.05 / 0.50details
#7ACCEPTED0.04 / 0.50details
#8ACCEPTED0.04 / 0.50details
#9ACCEPTED0.05 / 0.50details
#10ACCEPTED0.05 / 0.50details
#11ACCEPTED0.03 / 0.50details
#12ACCEPTED0.06 / 0.50details
#13ACCEPTED0.05 / 0.50details
#14ACCEPTED0.03 / 0.50details
#15ACCEPTED0.06 / 0.50details
#16ACCEPTED0.05 / 0.50details
#17ACCEPTED0.04 / 0.50details
#18ACCEPTED0.06 / 0.50details
#19ACCEPTED0.04 / 0.50details
#20ACCEPTED0.04 / 0.50details

Code

#include <bits/stdc++.h>

using namespace std;

int main() {
    long long n, z = 0;
    
    cin >> n;
    
    //for (int a = 1; a <= n; a++)
    //    for (int b = a; b <= n; b++)
    //        for (int c = a; c <=b; c++)
    //            z++;
    
    //cout << z << endl;
    
    z = 0;
    
    for (long long a = 1; a <= n; a++)
        z += (1 + n-a +1)*(n-a+1) / 2;
    cout << z << endl;

    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
1
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correct output
1
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user output
1
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Test 2

Verdict: ACCEPTED

input
2
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correct output
4
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user output
4
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Test 3

Verdict: ACCEPTED

input
3
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correct output
10
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user output
10
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Test 4

Verdict: ACCEPTED

input
4
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correct output
20
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user output
20
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Test 5

Verdict: ACCEPTED

input
5
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correct output
35
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user output
35
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Test 6

Verdict: ACCEPTED

input
263528
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correct output
3050239857553560
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user output
3050239857553560
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Test 7

Verdict: ACCEPTED

input
630093
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correct output
41693157083373415
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user output
41693157083373415
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Test 8

Verdict: ACCEPTED

input
108426
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correct output
212452122723676
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user output
212452122723676
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Test 9

Verdict: ACCEPTED

input
407203
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correct output
11253428501536410
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user output
11253428501536410
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Test 10

Verdict: ACCEPTED

input
798489
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correct output
84851044799375085
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user output
84851044799375085
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Test 11

Verdict: ACCEPTED

input
699773
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correct output
57111314541226175
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user output
57111314541226175
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Test 12

Verdict: ACCEPTED

input
535193
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correct output
25549503060424365
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user output
25549503060424365
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Test 13

Verdict: ACCEPTED

input
951724
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correct output
143675653860541900
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user output
143675653860541900
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Test 14

Verdict: ACCEPTED

input
997759
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correct output
165549173593263040
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user output
165549173593263040
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Test 15

Verdict: ACCEPTED

input
368832
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correct output
8362537201182784
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user output
8362537201182784
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Test 16

Verdict: ACCEPTED

input
497882
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correct output
20569827174211084
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user output
20569827174211084
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Test 17

Verdict: ACCEPTED

input
235672
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correct output
2181615649088424
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user output
2181615649088424
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Test 18

Verdict: ACCEPTED

input
721959
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correct output
62717416230802340
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user output
62717416230802340
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Test 19

Verdict: ACCEPTED

input
328943
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correct output
5932184601121240
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user output
5932184601121240
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Test 20

Verdict: ACCEPTED

input
779320
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correct output
78885627953685640
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user output
78885627953685640
view   save