Submission #8526028

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Source Code Expand

#include<cstdio>
#include<algorithm>
#define int long long
int n,a[1010],sum0,sum1;
int b[1010],tot;
signed main(){
	scanf("%lld",&n);
	int len=n;
	for(int i=1;i<=n;i++)scanf("%lld",&a[i]);
	for(int i=1;i<=n;i++){
		if(a[i]<0)continue;
		if(i%2==0)sum0+=a[i];
		else sum1+=a[i]; 
	}
	bool flag=sum0>sum1;
	printf("%lld\n",std::max(sum0,sum1));
	while(1==flag||a[1]<0){
		b[++tot]=1;
		for(int i=1;i<len;i++)
			a[i]=a[i+1];
		flag=1-flag;
		len--;
	}
	while(len%2==flag||a[len]<0){
		b[++tot]=len;
		len--;
	}
	while(len>1){
		bool bo=false;
		for(int i=1;i<=len;i++)
			if(i%2!=flag&&a[i]<0){
				b[++tot]=len;
				bo=true;
				a[i-1]+=a[i+1];
				for(int j=i;j<=len-2;j++)
					a[j]=a[j+2];
				len-=2;
				break;
			}
		if(!bo)break;
	}
	while(len>1){
		b[++tot]=2;
		len-=2;
	}
	printf("%lld\n",tot);
	for(int i=1;i<=tot;i++)
		printf("%lld\n",b[i]);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
                  ^
./Main.cpp:9:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++)scanf("%lld",&a[i]);
                                          ^

Judge Result