Submission #1219896

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Source Code Expand

#include <iostream>
#include <stdio.h>
#include <vector>
#include <string.h>
#include <algorithm>
#define int long long

using namespace std;

const int N=123456;
int a[N];
int bj[N];
vector <int> u;


signed main() {
    int n,k;
    scanf("%lld %lld",&n,&k);
    int koo=0;
    for(int i=0; i<n; i++) {
        scanf("%lld",a+i);
        koo+=a[i];
    }
    memset(bj,0,sizeof(bj));
    for(int i=0; i<n; i++) {
        if(a[i]>0){
            if(bj[i]==0) {
                if(i+k<=n) {
                    for(int j=i;j<i+k;j++) {
                        bj[j]=1;
                    }
                } else {
                    break;
                }
            }
        } else {
            if(bj[i]==1) {
                if(i+k<=n) {
                    for(int j=i;j<i+k;j++) {
                        bj[j]=0;
                    }
                } else {
                    break;
                }
            }
        }
    }
    int sum=0;
    for(int i=0; i<n; i++) {
        if(bj[i]) sum+=a[i];
    }
    /*
    for(int i=0;i<n;i++) {
        int uo=0;
        int h=0;
        while(a[i]<=0 && i<n) {
            h++;
            uo+=a[i];
            i++;
        }
        if(h>=k) {
            u.push_back(-uo);
        }
    }
    if(!u.empty()) {
        sort(u.begin(),u.end());
        int p=u.size();
        printf("%lld\n",max(sum,koo+u[p-1]));
        return 0;
    }*/
    printf("%lld\n",sum);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld",&n,&k);
                             ^
./Main.cpp:21:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld",a+i);
                          ^

Judge Result