Submission #1103742

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

typedef int _loop_int;
#define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i)
#define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i)
#define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i)

#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl
#define ALL(a) (a).begin(),(a).end()

#define CHMIN(a,b) a=min((a),(b))
#define CHMAX(a,b) a=max((a),(b))

// mod
const ll MOD = 1000000007ll;
#define FIX(a) ((a)%MOD+MOD)%MOD

// floating
typedef double Real;
const Real EPS = 1e-11;
#define EQ0(x) (abs(x)<EPS)
#define EQ(a,b) (abs(a-b)<EPS)
typedef complex<Real> P;

int n;
int ma,mb;
int dp[425][425];
const int INF = 1252183025;

int main(){
  scanf("%d%d%d",&n,&ma,&mb);
  REP(i,425)REP(j,425)dp[i][j]=INF;
  dp[0][0] = 0;
  REP(i,n){
    int a,b,c;
    scanf("%d%d%d",&a,&b,&c);
    FORR(i,0,425)FORR(j,0,425){
      if(i+a>=425)continue;
      if(j+b>=425)continue;
      CHMIN(dp[i+a][j+b],dp[i][j]+c);
    }
  }
  int ans = INF;
  int ca = ma;
  int cb = mb;
  while(ca<425&&cb<425){
    CHMIN(ans,dp[ca][cb]);
    ca+=ma;
    cb+=mb;
  }
  if(ans==INF)ans=-1;
  printf("%d\n",ans);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:40:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&n,&ma,&mb);
                             ^
./Main.cpp:45:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&a,&b,&c);
                             ^

Judge Result