답안 #20589 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20589	2017-02-12T14:06:44 Z	model_code	Martian DNA (IOI16_dna)	C	100 / 100	9 ms	1144 KB

#include "dna_c.h"

#include "strings.h"

void zeroes(int m, char* s) {
    for (int i = 0; i < m; ++i)
        s[i] = '0';
    s[m] = 0;
}

char s[2001];
char test[2001];
char temp[2001];

char* analyse(int n, int t) {

    int l = 0, r = n + 1;
    while (l < r - 1) {
        int m = (l + r) >> 1;
        zeroes(m, test);
        if (make_test(test))
            l = m;
        else
            r = m;
    }

    zeroes(l, s);
    int zeroesCount = 0;
    int maxZeroesCount = l;
    int slen = l;
    while (1) {
        strcat(s, "1");
        slen++;
        if (!make_test(s)) {
            s[slen - 1] = '0';
            ++zeroesCount;
        } else {
            zeroesCount = 0;
        }
        if (zeroesCount + maxZeroesCount >= n || zeroesCount >= maxZeroesCount + 1)
            break;
    }
    
    l = 0, r = zeroesCount;
    s[slen - zeroesCount] = 0;
    slen -= zeroesCount;

    while (l < r - 1) {
        int m = (l + r) >> 1;
        strcpy(test, s);
        zeroes(m, temp);
        strcat(test, temp);
        if (make_test(test))
            l = m;
        else
            r = m;
    }

    zeroes(l, temp);
    strcat(s, temp);
    slen += l;

    while (slen < n) {
        strcpy(temp, "1");
        strcat(temp, s);
        strcpy(s, temp);
        slen++;
        if (!make_test(s)) {
            s[0] = '0';
        }
    }

    return s;
}

Compilation message

dna.c: In function 'analyse':
dna.c:32:9: warning: implicit declaration of function 'strcat' [-Wimplicit-function-declaration]
         strcat(s, "1");
         ^
dna.c:32:9: warning: incompatible implicit declaration of built-in function 'strcat'
dna.c:32:9: note: include '<string.h>' or provide a declaration of 'strcat'
dna.c:50:9: warning: implicit declaration of function 'strcpy' [-Wimplicit-function-declaration]
         strcpy(test, s);
         ^
dna.c:50:9: warning: incompatible implicit declaration of built-in function 'strcpy'
dna.c:50:9: note: include '<string.h>' or provide a declaration of 'strcpy'
dna.c:52:9: warning: incompatible implicit declaration of built-in function 'strcat'
         strcat(test, temp);
         ^
dna.c:52:9: note: include '<string.h>' or provide a declaration of 'strcat'
dna.c:60:5: warning: incompatible implicit declaration of built-in function 'strcat'
     strcat(s, temp);
     ^
dna.c:60:5: note: include '<string.h>' or provide a declaration of 'strcat'
dna.c:64:9: warning: incompatible implicit declaration of built-in function 'strcpy'
         strcpy(temp, "1");
         ^
dna.c:64:9: note: include '<string.h>' or provide a declaration of 'strcpy'
grader.c: In function 'main':
grader.c:46:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", s);
     ^
grader.c:47:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &t);
     ^

Subtask #1
11.0 / 11.0

#	결과	메모리	Grader output
1	Correct	1144 KB	Output is correct
2	Correct	1144 KB	Output is correct
3	Correct	1144 KB	Output is correct
4	Correct	1144 KB	Output is correct
5	Correct	1144 KB	Output is correct
6	Correct	1144 KB	Output is correct
7	Correct	1144 KB	Output is correct
8	Correct	1144 KB	Output is correct
9	Correct	1144 KB	Output is correct
10	Correct	1144 KB	Output is correct
11	Correct	1144 KB	Output is correct
12	Correct	1144 KB	Output is correct
13	Correct	1144 KB	Output is correct
14	Correct	1144 KB	Output is correct
15	Correct	1144 KB	Output is correct
16	Correct	1144 KB	Output is correct
17	Correct	1144 KB	Output is correct
18	Correct	1144 KB	Output is correct
19	Correct	1144 KB	Output is correct
20	Correct	1144 KB	Output is correct
21	Correct	1144 KB	Output is correct
22	Correct	1144 KB	Output is correct
23	Correct	1144 KB	Output is correct
24	Correct	1144 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	메모리	Grader output
1	Correct	1144 KB	Output is correct
2	Correct	1144 KB	Output is correct
3	Correct	1144 KB	Output is correct
4	Correct	1144 KB	Output is correct
5	Correct	1144 KB	Output is correct
6	Correct	1144 KB	Output is correct
7	Correct	1144 KB	Output is correct
8	Correct	1144 KB	Output is correct
9	Correct	1144 KB	Output is correct
10	Correct	1144 KB	Output is correct
11	Correct	1144 KB	Output is correct
12	Correct	1144 KB	Output is correct
13	Correct	1144 KB	Output is correct
14	Correct	1144 KB	Output is correct
15	Correct	1144 KB	Output is correct
16	Correct	1144 KB	Output is correct
17	Correct	1144 KB	Output is correct
18	Correct	1144 KB	Output is correct
19	Correct	1144 KB	Output is correct
20	Correct	1144 KB	Output is correct
21	Correct	1144 KB	Output is correct
22	Correct	1144 KB	Output is correct
23	Correct	1144 KB	Output is correct
24	Correct	1144 KB	Output is correct
25	Correct	1144 KB	Output is correct
26	Correct	1144 KB	Output is correct
27	Correct	1144 KB	Output is correct
28	Correct	1144 KB	Output is correct
29	Correct	1144 KB	Output is correct
30	Correct	1144 KB	Output is correct
31	Correct	1144 KB	Output is correct
32	Correct	1144 KB	Output is correct
33	Correct	1144 KB	Output is correct
34	Correct	1144 KB	Output is correct

Subtask #3
64.0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1144 KB	Output is correct
2	Correct	0 ms	1144 KB	Output is correct
3	Correct	0 ms	1144 KB	Output is correct
4	Correct	0 ms	1144 KB	Output is correct
5	Correct	0 ms	1144 KB	Output is correct
6	Correct	0 ms	1144 KB	Output is correct
7	Correct	0 ms	1144 KB	Output is correct
8	Correct	0 ms	1144 KB	Output is correct
9	Correct	0 ms	1144 KB	Output is correct
10	Correct	0 ms	1144 KB	Output is correct
11	Correct	0 ms	1144 KB	Output is correct
12	Correct	0 ms	1144 KB	Output is correct
13	Correct	0 ms	1144 KB	Output is correct
14	Correct	0 ms	1144 KB	Output is correct
15	Correct	0 ms	1144 KB	Output is correct
16	Correct	0 ms	1144 KB	Output is correct
17	Correct	0 ms	1144 KB	Output is correct
18	Correct	0 ms	1144 KB	Output is correct
19	Correct	0 ms	1144 KB	Output is correct
20	Correct	0 ms	1144 KB	Output is correct
21	Correct	0 ms	1144 KB	Output is correct
22	Correct	6 ms	1144 KB	Output is correct
23	Correct	6 ms	1144 KB	Output is correct
24	Correct	6 ms	1144 KB	Output is correct
25	Correct	9 ms	1144 KB	Output is correct
26	Correct	9 ms	1144 KB	Output is correct
27	Correct	3 ms	1144 KB	Output is correct
28	Correct	3 ms	1144 KB	Output is correct
29	Correct	0 ms	1144 KB	Output is correct
30	Correct	3 ms	1144 KB	Output is correct
31	Correct	3 ms	1144 KB	Output is correct
32	Correct	0 ms	1144 KB	Output is correct
33	Correct	3 ms	1144 KB	Output is correct
34	Correct	3 ms	1144 KB	Output is correct
35	Correct	3 ms	1144 KB	Output is correct
36	Correct	3 ms	1144 KB	Output is correct
37	Correct	3 ms	1144 KB	Output is correct
38	Correct	3 ms	1144 KB	Output is correct
39	Correct	6 ms	1144 KB	Output is correct

답안 #20589

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 25.0 / 25.0

Subtask #3 64.0 / 64.0

Subtask #1
11.0 / 11.0

Subtask #2
25.0 / 25.0

Subtask #3
64.0 / 64.0