Submission #1481154

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Source Code Expand

#include<bits/stdc++.h>
#define FOR(x, z, y) for(int x = (z); y; x++)
#define rep(x, y) for(int x = 0; x < (y); x++)
#define REP(x, z, y) for(int x = (z); x < (y); x++)
#define all(x) x.begin(), x.end()
#define len(x) (sizeof(x) / sizeof(x[0]))
#define split_str(str, sp_word) istringstream stream(str); string res; FOR(cnt, 0, getline(stream,res,sp_word))
#define scanln(x) fgets(x, sizeof x, stdin)
#define down_queue(x) priority_queue<x>
#define up_queue(x) priority_queue<x, vector<x>, greater<x>>
#define i_str(x) atoi(x.c_str())
#define digit(x) ((int)log10((double)(x)) + 1)
const int MOD = 1000000007; 
typedef long long ll;
using namespace std;

 
int main() {
  ll S,C,ans = 0;
  scanf("%lld%lld",&S,&C);

  if(S >= C / 2) ans = C / 2;
  else{
    C -= 2 * S;
    ans += S;
    ans += C / 4;
  }

  printf("%lld",ans);
 
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld",&S,&C);
                          ^

Judge Result