提出 #74558

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ソースコード 拡げる

// include {{{
#include <cstdio>
#include <iostream>
//#include <sstream>
#include <string>
#include <vector>
//#include <deque>
#include <stack>
#include <queue>
//#include <map>
#include <set>
#include <algorithm>
#include <cmath>
#include <numeric>
//#include <complex>
// }}}
using namespace std;
// macro {{{
typedef long long ll;
typedef vector<int> vec;
typedef vector<vec> mat;
typedef pair<int,int> P;
#define rep(i,n) for(int i=0,_end=(n);i<_end;++i)
#define REP(i,j,k) for(int i=j,_end=(k);i<_end;++i)
//#define foreach(it,v) for(__typeof((v).begin()) it=(v).begin();it!=(v).end();++it)
#define all(c) (c).begin(),(c).end()
#define rall(c) (c).rbegin(),(c).rend()
#define priority_queue_greater(T) priority_queue< T, vector<T>, greater<T> >
#define F .first
#define S .second
//test define...
#define D(x) #x<<"="<<(x)
#define DD(x) cout << #x << "=" << (x) << endl;
// }}}

int main(){
  int c;
  while( cin >> c ){
    int ans[3], obj[3];
    rep(i,3){ ans[i] = 0; }
    rep(_t,c){
      rep(i,3){ scanf("%d", obj+i); }
      //rep(i,3){ cout << obj[i] << " "; } cout << endl;
      sort(obj,obj+3);
      rep(i,3){ ans[i] = max( ans[i], obj[i] ); }
    }
    int res = 1;
    rep(i,3){ res *= ans[i]; }
    cout << res << endl;
  }
  return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:42:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

ジャッジ結果