#include <stdio.h>
#define N 1000000
#define M 1000000
unsigned int X = 12345;
int rand_() {
return (X *= 3) >> 1;
}
int *vv;
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)
if (vv[ii[j]] == vv[i_])
j++;
else if (vv[ii[j]] < vv[i_]) {
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 mem[N * 3], *ptr = mem;
static int *aa[M], *bb[M], *ii[M], hh[M], dd[N], qu[N];
static long long cc[M];
int n, m, cnt, h, i, j;
scanf("%d%d", &n, &m);
for (j = 0; j < m; j++) {
aa[j] = ptr, ptr += n;
bb[j] = ptr, ptr += n;
ii[j] = ptr, ptr += n;
}
for (i = 0; i < n; i++)
for (j = 0; j < m; j++)
scanf("%d", &aa[j][i]);
for (i = 0; i < n; i++)
for (j = 0; j < m; j++)
scanf("%d", &bb[j][i]);
for (j = 0; j < m; j++) {
for (i = 0; i < n; i++)
ii[j][i] = i;
vv = aa[j], sort(ii[j], 0, n);
}
for (i = 0; i < n; i++)
dd[i] = m;
cnt = 0;
for (j = 0; j < m; j++)
while (hh[j] < n && aa[j][i = ii[j][hh[j]]] <= cc[j]) {
if (--dd[i] == 0)
qu[cnt++] = i;
hh[j]++;
}
for (h = 0; h < cnt; h++) {
i = qu[h];
for (j = 0; j < m; j++)
cc[j] += bb[j][i];
for (j = 0; j < m; j++)
while (hh[j] < n && aa[j][i = ii[j][hh[j]]] <= cc[j]) {
if (--dd[i] == 0)
qu[cnt++] = i;
hh[j]++;
}
}
printf("%d\n", cnt);
return 0;
}
Compilation message
Main.c: In function 'main':
Main.c:39:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
39 | scanf("%d%d", &n, &m);
| ^~~~~~~~~~~~~~~~~~~~~
Main.c:47:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
47 | scanf("%d", &aa[j][i]);
| ^~~~~~~~~~~~~~~~~~~~~~
Main.c:50:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
50 | scanf("%d", &bb[j][i]);
| ^~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
288 KB |
Output is correct |
3 |
Correct |
2 ms |
852 KB |
Output is correct |
4 |
Correct |
174 ms |
58776 KB |
Output is correct |
5 |
Correct |
184 ms |
58776 KB |
Output is correct |
6 |
Correct |
178 ms |
58776 KB |
Output is correct |
7 |
Correct |
142 ms |
41276 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
3 ms |
596 KB |
Output is correct |
8 |
Correct |
3 ms |
596 KB |
Output is correct |
9 |
Correct |
3 ms |
468 KB |
Output is correct |
10 |
Correct |
3 ms |
596 KB |
Output is correct |
11 |
Correct |
3 ms |
596 KB |
Output is correct |
12 |
Correct |
3 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
4 ms |
596 KB |
Output is correct |
4 |
Correct |
30 ms |
3588 KB |
Output is correct |
5 |
Correct |
28 ms |
3376 KB |
Output is correct |
6 |
Correct |
332 ms |
34708 KB |
Output is correct |
7 |
Correct |
314 ms |
32444 KB |
Output is correct |
8 |
Correct |
329 ms |
34676 KB |
Output is correct |
9 |
Correct |
326 ms |
32612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
288 KB |
Output is correct |
3 |
Correct |
2 ms |
852 KB |
Output is correct |
4 |
Correct |
174 ms |
58776 KB |
Output is correct |
5 |
Correct |
184 ms |
58776 KB |
Output is correct |
6 |
Correct |
178 ms |
58776 KB |
Output is correct |
7 |
Correct |
142 ms |
41276 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
3 ms |
596 KB |
Output is correct |
15 |
Correct |
3 ms |
596 KB |
Output is correct |
16 |
Correct |
3 ms |
468 KB |
Output is correct |
17 |
Correct |
3 ms |
596 KB |
Output is correct |
18 |
Correct |
3 ms |
596 KB |
Output is correct |
19 |
Correct |
3 ms |
596 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
340 KB |
Output is correct |
22 |
Correct |
4 ms |
596 KB |
Output is correct |
23 |
Correct |
30 ms |
3588 KB |
Output is correct |
24 |
Correct |
28 ms |
3376 KB |
Output is correct |
25 |
Correct |
332 ms |
34708 KB |
Output is correct |
26 |
Correct |
314 ms |
32444 KB |
Output is correct |
27 |
Correct |
329 ms |
34676 KB |
Output is correct |
28 |
Correct |
326 ms |
32612 KB |
Output is correct |
29 |
Correct |
235 ms |
30304 KB |
Output is correct |
30 |
Correct |
262 ms |
29304 KB |
Output is correct |
31 |
Correct |
292 ms |
27732 KB |
Output is correct |
32 |
Correct |
170 ms |
21208 KB |
Output is correct |
33 |
Correct |
208 ms |
22104 KB |
Output is correct |
34 |
Correct |
205 ms |
21956 KB |
Output is correct |
35 |
Correct |
264 ms |
24288 KB |
Output is correct |
36 |
Correct |
255 ms |
25108 KB |
Output is correct |
37 |
Correct |
266 ms |
27780 KB |
Output is correct |
38 |
Correct |
128 ms |
16716 KB |
Output is correct |