Submission #1606106

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
static const int INF = 2000000000;
static const int NIL = -1;
typedef long long ll;

int main(){
    ll n,k;
    scanf("%lld %lld",&n,&k);
    ll a[n],ans=0,tmp;
    scanf("%lld",&a[0]);
    for(int i=1;i<n;i++){
        scanf("%lld",&tmp);
        a[i] = a[i-1] + tmp;
    }
    
    ans += a[k-1];

    for(int i=k;i<n;i++){
        ans += (a[i] - a[i-k]);
    }

    printf("%lld",ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld",&n,&k);
                             ^
./Main.cpp:11:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld",&a[0]);
                        ^
./Main.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld",&tmp);
                           ^

Judge Result