Submission #101940

---

Source Code Expand

#include <cstdio>

int N,M;
int as[100002];
long long sum[200002];
int main() {
	scanf("%d%d",&N,&M);
	sum[0]=0;
	for(int i=1;i<=N;i++) {
		scanf("%d",&as[i]);
		sum[i]=as[i];
		sum[i+N]=as[i];
	}
	for(int i=1;i<=N+N;i++) {
		sum[i]+=sum[i-1];
	}
	int nw=1;
	int hf=N/2;
	long long sol=sum[hf];
	for(int i=0;i<M;i++) {
		int vl;
		scanf("%d",&vl);
		nw+=vl-1;
		if(nw>N) nw-=N;
		if(sol<sum[nw+hf-1]-sum[nw-1]) sol=sum[nw+hf-1]-sum[nw-1];
	}
	printf("%lld\n",sol);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
./Main.cpp:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
./Main.cpp:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result

Judge Result