CSES - Putka Open 2015 – 1/6 - Results
Submission details
Task:Jakkara
Sender:
Submission time:2015-07-19 14:10:28 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED21
#2ACCEPTED25
#3ACCEPTED54
Test results
testverdicttimegroup
#1ACCEPTED0.09 s1details
#2ACCEPTED0.08 s1details
#3ACCEPTED0.09 s1details
#4ACCEPTED0.09 s1details
#5ACCEPTED0.07 s1details
#6ACCEPTED0.09 s2details
#7ACCEPTED0.08 s2details
#8ACCEPTED0.09 s2details
#9ACCEPTED0.07 s2details
#10ACCEPTED0.08 s2details
#11ACCEPTED0.09 s3details
#12ACCEPTED0.09 s3details
#13ACCEPTED0.09 s3details
#14ACCEPTED0.09 s3details
#15ACCEPTED0.08 s3details

Compiler report

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:13:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%ld %ld %ld %ld", &a, &b, &c, &d);
                                             ^

Code

#include <stdio.h>

#define MAX(a,b) (((a) < (b)) ? (b) : (a))
#define ABS(a) ((a < 0) ? -(a): (a))
long a, b, c, d;
long f(int h) {
    return ABS(h-a) + ABS(h-b) + ABS(h-c) + ABS(h-d);
}

int main(int argc, char *argv[])
{
    long i, n, s;
    scanf("%ld %ld %ld %ld", &a, &b, &c, &d);
    n = MAX(MAX(a,b), MAX(c,d));

    i = 0;
    s = n / 2;
    while (s > 0) {
        while (i+s <= n && f(i+s/2) > f(i+s))
            i += s;
        s /= 2;
    }
    /* lol korjaan myöhemmi kunnol, ärsyttää... */
    while (i+1 <= n && f(i) > f(i+1)) i++;
    while (i > 0 && f(i) > f(i-1)) i--;
    printf("%ld\n", f(i));

    return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
2 4 2 1

correct output
3

user output
3

Test 2

Group: 1

Verdict: ACCEPTED

input
4 4 5 1

correct output
4

user output
4

Test 3

Group: 1

Verdict: ACCEPTED

input
1 3 3 3

correct output
2

user output
2

Test 4

Group: 1

Verdict: ACCEPTED

input
4 5 2 1

correct output
6

user output
6

Test 5

Group: 1

Verdict: ACCEPTED

input
1 2 3 4

correct output
4

user output
4

Test 6

Group: 2

Verdict: ACCEPTED

input
755 181 899 550

correct output
923

user output
923

Test 7

Group: 2

Verdict: ACCEPTED

input
415 158 928 660

correct output
1015

user output
1015

Test 8

Group: 2

Verdict: ACCEPTED

input
8 786 277 786

correct output
1287

user output
1287

Test 9

Group: 2

Verdict: ACCEPTED

input
740 537 892 1000

correct output
615

user output
615

Test 10

Group: 2

Verdict: ACCEPTED

input
805 794 799 591

correct output
219

user output
219

Test 11

Group: 3

Verdict: ACCEPTED

input
918046201 377309798 763092200 ...

correct output
753184325

user output
753184325

Test 12

Group: 3

Verdict: ACCEPTED

input
185264934 19222757 522094385 9...

correct output
595938743

user output
595938743

Test 13

Group: 3

Verdict: ACCEPTED

input
727047841 260674959 553589480 ...

correct output
678802024

user output
678802024

Test 14

Group: 3

Verdict: ACCEPTED

input
769070856 877861912 488304785 ...

correct output
614008750

user output
614008750

Test 15

Group: 3

Verdict: ACCEPTED

input
1 1 1 1000000000

correct output
999999999

user output
999999999