#include <stdio.h>
#define N 100000
#define M 100000
unsigned int X = 12345;
int rand_() {
return (X *= 3) >> 1;
}
int ss[N], vv[N], cc[N];
int compare_i(int i1, int i2) {
return vv[i1] != vv[i2] ? vv[i1] - vv[i2] : ss[i1] - ss[i2];
}
int compare_j(int j1, int j2) {
return cc[j1] - cc[j2];
}
int (*compare)(int, int);
void sort(int *ii, int l, int r) {
while (l < r) {
int i = l, j = l, k = r, i_ = ii[l + rand_() % (r - l)], tmp;
while (j < k) {
int c = compare(ii[j], i_);
if (c == 0)
j++;
else if (c < 0) {
tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
i++, j++;
} else {
k--;
tmp = ii[j], ii[j] = ii[k], ii[k] = tmp;
}
}
sort(ii, l, i);
l = k;
}
}
int main() {
static int ii[N], jj[M];
int n, m, i, j;
scanf("%d%d", &n, &m);
for (i = 0; i < n; i++)
scanf("%d%d", &ss[i], &vv[i]);
for (i = 0; i < n; i++)
ii[i] = i;
compare = compare_i, sort(ii, 0, n);
for (j = 0; j < m; j++)
scanf("%d", &cc[j]);
for (j = 0; j < m; j++)
jj[j] = j;
compare = compare_j, sort(jj, 0, m);
for (i = n - 1, j = m - 1; j >= 0; j--) {
while (i >= 0 && ss[ii[i]] > cc[jj[j]])
i--;
if (i < 0)
break;
i--;
}
printf("%d\n", m - 1 - j);
return 0;
}
Compilation message
joi2019_ho_t2.c: In function 'main':
joi2019_ho_t2.c:50:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
50 | scanf("%d%d", &n, &m);
| ^~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.c:52:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
52 | scanf("%d%d", &ss[i], &vv[i]);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.c:57:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
57 | scanf("%d", &cc[j]);
| ^~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
292 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
292 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
304 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
300 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
304 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
304 KB |
Output is correct |
| 35 |
Correct |
1 ms |
212 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
292 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
304 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
300 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
304 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
304 KB |
Output is correct |
| 35 |
Correct |
1 ms |
212 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
340 KB |
Output is correct |
| 38 |
Correct |
69 ms |
5016 KB |
Output is correct |
| 39 |
Correct |
53 ms |
5016 KB |
Output is correct |
| 40 |
Correct |
55 ms |
5016 KB |
Output is correct |
| 41 |
Correct |
75 ms |
5112 KB |
Output is correct |
| 42 |
Correct |
89 ms |
5044 KB |
Output is correct |
| 43 |
Correct |
78 ms |
5124 KB |
Output is correct |
| 44 |
Correct |
67 ms |
5068 KB |
Output is correct |
| 45 |
Correct |
70 ms |
5040 KB |
Output is correct |
| 46 |
Correct |
74 ms |
4988 KB |
Output is correct |
| 47 |
Correct |
62 ms |
4584 KB |
Output is correct |
| 48 |
Correct |
53 ms |
4540 KB |
Output is correct |
| 49 |
Correct |
56 ms |
4064 KB |
Output is correct |
| 50 |
Correct |
52 ms |
4228 KB |
Output is correct |
| 51 |
Correct |
77 ms |
5076 KB |
Output is correct |
| 52 |
Correct |
68 ms |
5120 KB |
Output is correct |
| 53 |
Correct |
72 ms |
5020 KB |
Output is correct |
| 54 |
Correct |
53 ms |
5120 KB |
Output is correct |
| 55 |
Correct |
89 ms |
5200 KB |
Output is correct |
| 56 |
Correct |
41 ms |
3376 KB |
Output is correct |
| 57 |
Correct |
30 ms |
1916 KB |
Output is correct |
| 58 |
Correct |
34 ms |
3304 KB |
Output is correct |
| 59 |
Correct |
40 ms |
3364 KB |
Output is correct |
| 60 |
Correct |
29 ms |
2004 KB |
Output is correct |
| 61 |
Correct |
45 ms |
3240 KB |
Output is correct |
| 62 |
Correct |
77 ms |
5012 KB |
Output is correct |
| 63 |
Correct |
90 ms |
5068 KB |
Output is correct |
| 64 |
Correct |
82 ms |
5028 KB |
Output is correct |
| 65 |
Correct |
67 ms |
5120 KB |
Output is correct |
| 66 |
Correct |
83 ms |
5200 KB |
Output is correct |
| 67 |
Correct |
84 ms |
5068 KB |
Output is correct |
| 68 |
Correct |
72 ms |
5004 KB |
Output is correct |
| 69 |
Correct |
66 ms |
5080 KB |
Output is correct |
| 70 |
Correct |
72 ms |
5068 KB |
Output is correct |
| 71 |
Correct |
62 ms |
5020 KB |
Output is correct |
| 72 |
Correct |
73 ms |
5260 KB |
Output is correct |
| 73 |
Correct |
61 ms |
5028 KB |
Output is correct |
