Submission #993539

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int N, M;
int A[200001];
int dp[200002];

int solve()
{
    dp[N+1]=0;
    for(int i=N; i>=3; i--)
        dp[i]=max(dp[i+1]-A[i], A[i]-dp[i+1]);
    return A[1]-A[2]+dp[3];
}

int main()
{
    scanf("%d", &N);
    for(int i=1; i<N; i++)
        scanf("%d", A+i);
    scanf("%d", &M);
    while(M--)
    {
        scanf("%d", A+N);
        printf("%d\n", solve());
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:21:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", A+i);
                         ^
./Main.cpp:22:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &M);
                    ^
./Main.cpp:25:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", A+N);
                         ^

Judge Result