CSES - Putka Open 2015 – 2/6 - Results
Submission details
Task:Kertotaulu
Sender:
Submission time:2015-08-16 18:41:50 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1details
#2ACCEPTED0.05 s1details
#30.05 s1details
#4ACCEPTED0.06 s1details
#50.05 s1details
#60.05 s2details
#7ACCEPTED0.05 s2details
#8ACCEPTED0.05 s2details
#90.05 s2details
#10ACCEPTED0.05 s2details
#11ACCEPTED0.75 s3details
#12ACCEPTED0.17 s3details
#13--3details
#14ACCEPTED0.29 s3details
#15--3details

Code

#include <iostream>
#include <algorithm>
#include <cmath>
#include <climits>
#include <cstdio>

using namespace std;

typedef signed long long int ll;
typedef unsigned long long int ull;

#define M (1000000007)

ull sq(ull a, ull b, ull d) {
    return (( ((a*(a+1))%M - (b*(b+1))%M)%M)*d)%M;
}

int main() {

    ull y1, x1, y2, x2;
    cin >> y1 >> x1 >> y2 >> x2;
    ull result = 0;
    for (ull r = y1; r <= y2; ++r) {
        ull k = sq(x2, x1-1, r);
        result = (result + k)%M;
    }

    cout << result/2 << endl;

    return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
242 232 976 976

correct output
417796293

user output
417796293

Test 2

Group: 1

Verdict: ACCEPTED

input
12 645 476 899

correct output
335735446

user output
335735446

Test 3

Group: 1

Verdict:

input
435 460 792 681

correct output
816738894

user output
316738890

Test 4

Group: 1

Verdict: ACCEPTED

input
318 389 441 799

correct output
488457695

user output
488457695

Test 5

Group: 1

Verdict:

input
211 640 623 951

correct output
744563022

user output
244563018

Test 6

Group: 2

Verdict:

input
201976 387454 920309 673120

correct output
946933548

user output
62177307

Test 7

Group: 2

Verdict: ACCEPTED

input
779381 684472 984138 828099

correct output
121907300

user output
121907300

Test 8

Group: 2

Verdict: ACCEPTED

input
284954 437564 777701 638386

correct output
321734745

user output
321734745

Test 9

Group: 2

Verdict:

input
296035 308490 853604 668978

correct output
802693678

user output
302693674

Test 10

Group: 2

Verdict: ACCEPTED

input
460731 148462 619190 626173

correct output
264761756

user output
264761756

Test 11

Group: 3

Verdict: ACCEPTED

input
381626897 590403175 501559980 ...

correct output
258247883

user output
258247883

Test 12

Group: 3

Verdict: ACCEPTED

input
597399975 685346584 618318138 ...

correct output
390332938

user output
390332938

Test 13

Group: 3

Verdict:

input
247307039 323856912 812562646 ...

correct output
89821592

user output
(empty)

Test 14

Group: 3

Verdict: ACCEPTED

input
900181910 768404361 943052600 ...

correct output
242545884

user output
242545884

Test 15

Group: 3

Verdict:

input
815 528 999999994 999999992

correct output
103780099

user output
(empty)