Submission #1072766
Source Code Expand
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int N = 1e5 + 10;
int a[N], ri[N];
char b[N];
LL sum[N];
int main() {
int n;
scanf("%d", &n);
scanf("%d", &a[1]);
for (int i = 2; i <= n; i++) scanf(" %c %d", b + i, a + i);
for (int i = 1; i <= n; i++) sum[i] = sum[i-1] + a[i];
ri[n + 1] = n + 1;
for (int i = n; i >= 2; i--) {
ri[i] = ri[i+1];
if (b[i+1] == '-') ri[i] = i + 1;
}
LL ans = -1e18;
LL tmp = a[1];
for (int i = 2; i <= n; i++) {
if (b[i] == '-') {
LL ans1 = tmp - a[i] - (sum[ri[i]-1]-sum[i]) + (sum[n] - sum[ri[i]-1]);
ans = max(ans1, ans);
}
if (b[i] == '-') tmp -= a[i];
else tmp += a[i];
}
ans = max(ans, tmp);
printf("%lld\n", ans);
return 0;
}
Submission Info
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:14:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &n);
^
./Main.cpp:15:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &a[1]);
^
./Main.cpp:16:63: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
for (int i = 2; i <= n; i++) scanf(" %c %d", b + i, a + i);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
900 / 900 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample_01.txt, sample_02.txt, sample_03.txt |
All |
subtask_1_alladd_01.txt, subtask_1_alladd_02.txt, subtask_1_alladd_03.txt, subtask_1_alladd_04.txt, subtask_1_allsub_01.txt, subtask_1_allsub_02.txt, subtask_1_allsub_03.txt, subtask_1_allsub_04.txt, subtask_1_cont_01.txt, subtask_1_cont_02.txt, subtask_1_cont_03.txt, subtask_1_cont_04.txt, subtask_1_killer_01.txt, subtask_1_killer_02.txt, subtask_1_killer_03.txt, subtask_1_killer_04.txt, subtask_1_max_01.txt, subtask_1_max_02.txt, subtask_1_max_03.txt, subtask_1_max_04.txt, subtask_1_min_01.txt, subtask_1_min_02.txt, subtask_1_rand_01.txt, subtask_1_rand_02.txt, subtask_1_rand_03.txt, subtask_1_rand_04.txt |
Case Name |
Status |
Exec Time |
Memory |
sample_01.txt |
AC |
2 ms |
256 KB |
sample_02.txt |
AC |
2 ms |
256 KB |
sample_03.txt |
AC |
2 ms |
256 KB |
subtask_1_alladd_01.txt |
AC |
21 ms |
1920 KB |
subtask_1_alladd_02.txt |
AC |
21 ms |
1920 KB |
subtask_1_alladd_03.txt |
AC |
21 ms |
1920 KB |
subtask_1_alladd_04.txt |
AC |
21 ms |
1920 KB |
subtask_1_allsub_01.txt |
AC |
21 ms |
1920 KB |
subtask_1_allsub_02.txt |
AC |
21 ms |
1920 KB |
subtask_1_allsub_03.txt |
AC |
21 ms |
1920 KB |
subtask_1_allsub_04.txt |
AC |
21 ms |
1920 KB |
subtask_1_cont_01.txt |
AC |
12 ms |
1152 KB |
subtask_1_cont_02.txt |
AC |
10 ms |
896 KB |
subtask_1_cont_03.txt |
AC |
9 ms |
768 KB |
subtask_1_cont_04.txt |
AC |
4 ms |
384 KB |
subtask_1_killer_01.txt |
AC |
20 ms |
1792 KB |
subtask_1_killer_02.txt |
AC |
15 ms |
1280 KB |
subtask_1_killer_03.txt |
AC |
20 ms |
1792 KB |
subtask_1_killer_04.txt |
AC |
15 ms |
1280 KB |
subtask_1_max_01.txt |
AC |
22 ms |
1920 KB |
subtask_1_max_02.txt |
AC |
22 ms |
1920 KB |
subtask_1_max_03.txt |
AC |
22 ms |
1920 KB |
subtask_1_max_04.txt |
AC |
22 ms |
1920 KB |
subtask_1_min_01.txt |
AC |
2 ms |
256 KB |
subtask_1_min_02.txt |
AC |
3 ms |
256 KB |
subtask_1_rand_01.txt |
AC |
14 ms |
1280 KB |
subtask_1_rand_02.txt |
AC |
16 ms |
1408 KB |
subtask_1_rand_03.txt |
AC |
4 ms |
384 KB |
subtask_1_rand_04.txt |
AC |
8 ms |
768 KB |