#include <stdio.h>
#define N 500000
#define INF 0x3f3f3f3f3f3f3f3fLL
long long max(long long a, long long b) { return a > b ? a : b; }
unsigned int X = 12345;
int rand_() {
return (X *= 3) >> 1;
}
long long aa[N]; int bb[N];
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 (aa[ii[j]] == aa[i_])
j++;
else if (aa[ii[j]] < aa[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 ii[N];
int n, h, i;
long long ans, x;
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%lld%d", &aa[i], &bb[i]);
for (i = 0; i < n; i++)
ii[i] = i;
sort(ii, 0, n);
x = -INF, ans = 0;
for (h = 0; h < n; h++) {
i = ii[h];
x = max(x, aa[i]) + bb[i];
ans = max(ans, x - aa[i]);
}
printf("%lld\n", ans);
return 0;
}
Compilation message
art.c: In function 'main':
art.c:40:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
40 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
art.c:42:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
42 | scanf("%lld%d", &aa[i], &bb[i]);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
296 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
296 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
292 KB |
Output is correct |
| 18 |
Correct |
1 ms |
300 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
300 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
296 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
292 KB |
Output is correct |
| 18 |
Correct |
1 ms |
300 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
300 KB |
Output is correct |
| 27 |
Correct |
4 ms |
468 KB |
Output is correct |
| 28 |
Correct |
4 ms |
432 KB |
Output is correct |
| 29 |
Correct |
4 ms |
468 KB |
Output is correct |
| 30 |
Correct |
3 ms |
408 KB |
Output is correct |
| 31 |
Correct |
2 ms |
432 KB |
Output is correct |
| 32 |
Correct |
3 ms |
452 KB |
Output is correct |
| 33 |
Correct |
3 ms |
468 KB |
Output is correct |
| 34 |
Correct |
3 ms |
596 KB |
Output is correct |
| 35 |
Correct |
3 ms |
468 KB |
Output is correct |
| 36 |
Correct |
3 ms |
468 KB |
Output is correct |
| 37 |
Correct |
2 ms |
460 KB |
Output is correct |
| 38 |
Correct |
3 ms |
468 KB |
Output is correct |
| 39 |
Correct |
3 ms |
468 KB |
Output is correct |
| 40 |
Correct |
3 ms |
468 KB |
Output is correct |
| 41 |
Correct |
3 ms |
456 KB |
Output is correct |
| 42 |
Correct |
2 ms |
408 KB |
Output is correct |
| 43 |
Correct |
3 ms |
468 KB |
Output is correct |
| 44 |
Correct |
3 ms |
468 KB |
Output is correct |
| 45 |
Correct |
3 ms |
432 KB |
Output is correct |
| 46 |
Correct |
3 ms |
432 KB |
Output is correct |
| 47 |
Correct |
4 ms |
432 KB |
Output is correct |
| 48 |
Correct |
3 ms |
432 KB |
Output is correct |
| 49 |
Correct |
3 ms |
428 KB |
Output is correct |
| 50 |
Correct |
3 ms |
472 KB |
Output is correct |
| 51 |
Correct |
3 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
296 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
292 KB |
Output is correct |
| 18 |
Correct |
1 ms |
300 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
300 KB |
Output is correct |
| 27 |
Correct |
4 ms |
468 KB |
Output is correct |
| 28 |
Correct |
4 ms |
432 KB |
Output is correct |
| 29 |
Correct |
4 ms |
468 KB |
Output is correct |
| 30 |
Correct |
3 ms |
408 KB |
Output is correct |
| 31 |
Correct |
2 ms |
432 KB |
Output is correct |
| 32 |
Correct |
3 ms |
452 KB |
Output is correct |
| 33 |
Correct |
3 ms |
468 KB |
Output is correct |
| 34 |
Correct |
3 ms |
596 KB |
Output is correct |
| 35 |
Correct |
3 ms |
468 KB |
Output is correct |
| 36 |
Correct |
3 ms |
468 KB |
Output is correct |
| 37 |
Correct |
2 ms |
460 KB |
Output is correct |
| 38 |
Correct |
3 ms |
468 KB |
Output is correct |
| 39 |
Correct |
3 ms |
468 KB |
Output is correct |
| 40 |
Correct |
3 ms |
468 KB |
Output is correct |
| 41 |
Correct |
3 ms |
456 KB |
Output is correct |
| 42 |
Correct |
2 ms |
408 KB |
Output is correct |
| 43 |
Correct |
3 ms |
468 KB |
Output is correct |
| 44 |
Correct |
3 ms |
468 KB |
Output is correct |
| 45 |
Correct |
3 ms |
432 KB |
Output is correct |
| 46 |
Correct |
3 ms |
432 KB |
Output is correct |
| 47 |
Correct |
4 ms |
432 KB |
Output is correct |
| 48 |
Correct |
3 ms |
432 KB |
Output is correct |
| 49 |
Correct |
3 ms |
428 KB |
Output is correct |
| 50 |
Correct |
3 ms |
472 KB |
Output is correct |
| 51 |
Correct |
3 ms |
468 KB |
Output is correct |
| 52 |
Correct |
251 ms |
20680 KB |
Output is correct |
| 53 |
Correct |
270 ms |
20728 KB |
Output is correct |
| 54 |
Correct |
226 ms |
20768 KB |
Output is correct |
| 55 |
Correct |
226 ms |
20816 KB |
Output is correct |
| 56 |
Correct |
258 ms |
20692 KB |
Output is correct |
| 57 |
Correct |
229 ms |
20644 KB |
Output is correct |
| 58 |
Correct |
290 ms |
20716 KB |
Output is correct |
| 59 |
Correct |
221 ms |
20728 KB |
Output is correct |
| 60 |
Correct |
247 ms |
20728 KB |
Output is correct |
| 61 |
Correct |
221 ms |
20560 KB |
Output is correct |
| 62 |
Correct |
226 ms |
20620 KB |
Output is correct |
| 63 |
Correct |
316 ms |
20728 KB |
Output is correct |
| 64 |
Correct |
244 ms |
20780 KB |
Output is correct |
| 65 |
Correct |
241 ms |
20628 KB |
Output is correct |
| 66 |
Correct |
238 ms |
20648 KB |
Output is correct |
| 67 |
Correct |
237 ms |
20820 KB |
Output is correct |
| 68 |
Correct |
231 ms |
20632 KB |
Output is correct |
