답안 #12217 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
12217	2014-12-25T04:47:37 Z	paulsohn	격자 보존하기 (GA9_preserve)	C	100 / 100	40 ms	2452 KB

preserve

#include<stdio.h>
#include<stdlib.h>

int n, k, d;
int p[100010], Gap[100010], lb, rb, sum, sum2, score;

void mergesort(int* po, int n){
    int *pt, *pt2, *tmp;
    int rm, rm2, h=0, i;

    if(n<2) return;

    pt=po;
    pt2=po+n/2;

    rm=n/2;
    rm2=n-n/2;

    mergesort(pt, rm);
    mergesort(pt2, rm2);

    tmp=(int*) malloc(sizeof(int)*n);

    while(rm && rm2){
        if(*pt>*pt2){
            tmp[h++]=*(pt++);
            rm--;
        }
        else{
            tmp[h++]=*(pt2++);
            rm2--;
        }
    }
    while(rm){
        tmp[h++]=*(pt++);
        rm--;
    }
    while(rm2){
        tmp[h++]=*(pt2++);
        rm2--;
    }
    for(i=0; i<n; i++){
        po[i]=tmp[i];
    }
    free(tmp);
    return;
}

int main(){
    int i, tmp;
    scanf("%d %d %d", &n, &k, &d);
    for(i=0;i<k;i++){
        scanf("%d", &p[i]);
        if(i) Gap[i-1]=p[i]-p[i-1]-1;
    }
    lb=p[0]-1;
    rb=n-p[k-1];
    mergesort(Gap, k-1);

    for(i=0; i<k-1 && i<d/2-1; i++){
        sum+=Gap[i];
    }
    sum2=sum+(k-1<=d/2-1 ? 0 : Gap[d/2-1]);

    tmp=sum2;
    if(score<tmp) score=tmp;
    tmp=(lb>rb?lb:rb)+(d%2?sum2:sum);
    if(score<tmp) score=tmp;
    tmp=lb+rb+sum;
    if(score<tmp) score=tmp;
    printf("%d\n", score);

    return 0;
}

Subtask #1
9.0 / 9.0

#	결과	메모리	Grader output
1	Correct	1868 KB	Output is correct
2	Correct	1868 KB	Output is correct
3	Correct	1868 KB	Output is correct
4	Correct	1868 KB	Output is correct
5	Correct	1868 KB	Output is correct
6	Correct	1868 KB	Output is correct
7	Correct	1868 KB	Output is correct
8	Correct	1868 KB	Output is correct
9	Correct	1868 KB	Output is correct
10	Correct	1868 KB	Output is correct
11	Correct	1868 KB	Output is correct
12	Correct	1868 KB	Output is correct
13	Correct	1868 KB	Output is correct
14	Correct	1868 KB	Output is correct
15	Correct	1868 KB	Output is correct
16	Correct	1868 KB	Output is correct
17	Correct	1868 KB	Output is correct
18	Correct	1868 KB	Output is correct
19	Correct	1868 KB	Output is correct
20	Correct	1868 KB	Output is correct
21	Correct	1868 KB	Output is correct
22	Correct	1868 KB	Output is correct
23	Correct	1868 KB	Output is correct
24	Correct	1868 KB	Output is correct
25	Correct	1868 KB	Output is correct
26	Correct	1868 KB	Output is correct
27	Correct	1868 KB	Output is correct
28	Correct	1868 KB	Output is correct
29	Correct	1868 KB	Output is correct
30	Correct	1868 KB	Output is correct
31	Correct	1868 KB	Output is correct
32	Correct	1868 KB	Output is correct

Subtask #2
17.0 / 17.0

#	결과	메모리	Grader output
1	Correct	1868 KB	Output is correct
2	Correct	1868 KB	Output is correct
3	Correct	1868 KB	Output is correct
4	Correct	1868 KB	Output is correct
5	Correct	1868 KB	Output is correct
6	Correct	1868 KB	Output is correct
7	Correct	1868 KB	Output is correct
8	Correct	1868 KB	Output is correct
9	Correct	1868 KB	Output is correct
10	Correct	1868 KB	Output is correct
11	Correct	1868 KB	Output is correct
12	Correct	1868 KB	Output is correct
13	Correct	1868 KB	Output is correct
14	Correct	1868 KB	Output is correct
15	Correct	1868 KB	Output is correct
16	Correct	1868 KB	Output is correct
17	Correct	1868 KB	Output is correct
18	Correct	1868 KB	Output is correct
19	Correct	1868 KB	Output is correct
20	Correct	1868 KB	Output is correct
21	Correct	1868 KB	Output is correct
22	Correct	1868 KB	Output is correct
23	Correct	1868 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	메모리	Grader output
1	Correct	1868 KB	Output is correct
2	Correct	1868 KB	Output is correct
3	Correct	1868 KB	Output is correct
4	Correct	1868 KB	Output is correct
5	Correct	1868 KB	Output is correct
6	Correct	1868 KB	Output is correct
7	Correct	1868 KB	Output is correct
8	Correct	1868 KB	Output is correct
9	Correct	1868 KB	Output is correct
10	Correct	1868 KB	Output is correct
11	Correct	1868 KB	Output is correct
12	Correct	1868 KB	Output is correct
13	Correct	1868 KB	Output is correct
14	Correct	1868 KB	Output is correct
15	Correct	1868 KB	Output is correct
16	Correct	1868 KB	Output is correct
17	Correct	1868 KB	Output is correct
18	Correct	1868 KB	Output is correct
19	Correct	1868 KB	Output is correct
20	Correct	1868 KB	Output is correct
21	Correct	1868 KB	Output is correct
22	Correct	1868 KB	Output is correct
23	Correct	1868 KB	Output is correct
24	Correct	1868 KB	Output is correct
25	Correct	1868 KB	Output is correct
26	Correct	1868 KB	Output is correct
27	Correct	1868 KB	Output is correct

Subtask #4
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	32 ms	2452 KB	Output is correct
2	Correct	40 ms	2452 KB	Output is correct
3	Correct	36 ms	2452 KB	Output is correct
4	Correct	20 ms	2452 KB	Output is correct
5	Correct	36 ms	2452 KB	Output is correct
6	Correct	28 ms	2452 KB	Output is correct
7	Correct	32 ms	2452 KB	Output is correct
8	Correct	28 ms	2452 KB	Output is correct
9	Correct	20 ms	2060 KB	Output is correct
10	Correct	8 ms	1868 KB	Output is correct
11	Correct	32 ms	2428 KB	Output is correct
12	Correct	36 ms	2436 KB	Output is correct
13	Correct	32 ms	2424 KB	Output is correct
14	Correct	28 ms	2440 KB	Output is correct
15	Correct	28 ms	2444 KB	Output is correct
16	Correct	36 ms	2444 KB	Output is correct
17	Correct	32 ms	2432 KB	Output is correct
18	Correct	24 ms	2428 KB	Output is correct
19	Correct	32 ms	2428 KB	Output is correct
20	Correct	0 ms	1868 KB	Output is correct
21	Correct	0 ms	1868 KB	Output is correct
22	Correct	28 ms	2420 KB	Output is correct
23	Correct	28 ms	2440 KB	Output is correct
24	Correct	36 ms	2440 KB	Output is correct

Subtask #5
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	32 ms	2452 KB	Output is correct
2	Correct	32 ms	2452 KB	Output is correct
3	Correct	36 ms	2452 KB	Output is correct
4	Correct	32 ms	2452 KB	Output is correct
5	Correct	36 ms	2452 KB	Output is correct
6	Correct	28 ms	2452 KB	Output is correct
7	Correct	28 ms	2452 KB	Output is correct
8	Correct	36 ms	2452 KB	Output is correct
9	Correct	12 ms	2060 KB	Output is correct
10	Correct	12 ms	1868 KB	Output is correct
11	Correct	20 ms	2276 KB	Output is correct
12	Correct	28 ms	2320 KB	Output is correct
13	Correct	28 ms	2328 KB	Output is correct
14	Correct	24 ms	2324 KB	Output is correct
15	Correct	28 ms	2336 KB	Output is correct
16	Correct	20 ms	2372 KB	Output is correct
17	Correct	28 ms	2412 KB	Output is correct
18	Correct	28 ms	2392 KB	Output is correct
19	Correct	28 ms	2312 KB	Output is correct
20	Correct	28 ms	2404 KB	Output is correct

답안 #12217

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 17.0 / 17.0

Subtask #3 22.0 / 22.0

Subtask #4 17.0 / 17.0

Subtask #5 35.0 / 35.0

Subtask #1
9.0 / 9.0

Subtask #2
17.0 / 17.0

Subtask #3
22.0 / 22.0

Subtask #4
17.0 / 17.0

Subtask #5
35.0 / 35.0