Submission #1695956


Source Code Expand

#include<bits/stdc++.h>
#define N 100005
#define LL long long
using namespace std;
LL val[N];//- -
LL suf[N];
int n; 
int main(){
	scanf("%d",&n);
	scanf("%lld",&val[1]);
	int cnt=1;
	for(int i=2,t;i<=n;i++){
		char ch=getchar();
		while(ch!='+'&&ch!='-') ch=getchar();
		scanf("%d",&t);
		if(ch=='+') val[cnt]+=t;
		else val[++cnt]=t;
	}
	for(int i=cnt;i>=1;i--) suf[i]=suf[i+1]+val[i];
	LL pre=val[1],ans=-1e18;
	for(int i=2;i<=cnt;i++){
		pre-=val[i];
		ans=max(ans,pre+suf[i+1]);
	}
	cout<<ans<<endl;
	return 0;
}

Submission Info

Submission Time
Task E - Addition and Subtraction Hard
User Wuvin
Language C++14 (GCC 5.4.1)
Score 0
Code Size 543 Byte
Status WA
Exec Time 16 ms
Memory 1792 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&val[1]);
                       ^
./Main.cpp:15:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&t);
                 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 900
Status
AC × 3
AC × 16
WA × 13
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, 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 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
subtask_1_alladd_01.txt WA 15 ms 256 KB
subtask_1_alladd_02.txt WA 15 ms 256 KB
subtask_1_alladd_03.txt WA 15 ms 256 KB
subtask_1_alladd_04.txt WA 15 ms 256 KB
subtask_1_allsub_01.txt AC 16 ms 1792 KB
subtask_1_allsub_02.txt AC 16 ms 1792 KB
subtask_1_allsub_03.txt AC 16 ms 1792 KB
subtask_1_allsub_04.txt AC 16 ms 1792 KB
subtask_1_cont_01.txt AC 10 ms 640 KB
subtask_1_cont_02.txt AC 7 ms 512 KB
subtask_1_cont_03.txt AC 6 ms 512 KB
subtask_1_cont_04.txt AC 3 ms 256 KB
subtask_1_killer_01.txt WA 14 ms 256 KB
subtask_1_killer_02.txt WA 11 ms 256 KB
subtask_1_killer_03.txt WA 15 ms 256 KB
subtask_1_killer_04.txt WA 10 ms 256 KB
subtask_1_max_01.txt WA 16 ms 1024 KB
subtask_1_max_02.txt WA 16 ms 1024 KB
subtask_1_max_03.txt WA 16 ms 1024 KB
subtask_1_max_04.txt AC 16 ms 1024 KB
subtask_1_min_01.txt WA 1 ms 256 KB
subtask_1_min_02.txt WA 1 ms 256 KB
subtask_1_rand_01.txt AC 10 ms 768 KB
subtask_1_rand_02.txt AC 12 ms 768 KB
subtask_1_rand_03.txt AC 3 ms 256 KB
subtask_1_rand_04.txt AC 6 ms 512 KB