Submission #845976

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

typedef long long LL;
#define SZ(a) int((a).size())
#define FOR(var,a,b) for(int var=(a);var<(b);var++)
#define REP(var,n) FOR(var,0,n)
#define INT(n) int n;scanf("%d",&n);
#define AI(a,n) int a[n];REP(i,n){scanf("%d",&a[i]);}
#define MSET(arr,val)  memset(arr,val,sizeof(arr))

int main(){
  INT(n); AI(as, n);
  LL dp[n];
  dp[0] = 0LL;
  dp[1] = as[0] / 2 + as[1] / 2 + (as[0] % 2) * (as[1] % 2);
  FOR(i, 2, n){
    dp[i] = max(dp[i - 2] + as[i] / 2 + as[i - 1] / 2 + ((as[i - 1] % 2) * (as[i] % 2)), dp[i - 1] + as[i] / 2);
  }
  printf("%lld\n", dp[n - 1]);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 #define INT(n) int n;scanf("%d",&n);
                                    ^
./Main.cpp:13:3: note: in expansion of macro ‘INT’
   INT(n); AI(as, n);
   ^
./Main.cpp:9:52: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 #define AI(a,n) int a[n];REP(i,n){scanf("%d",&a[i]);}
                                                    ^
./Main.cpp:13:11: note: in expansion of macro ‘AI’
   INT(n); AI(as, n);
           ^

Judge Result