Submission #1539798

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Source Code Expand

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define fio ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
using namespace std;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef long long ll;

vector<ll> v,p;
vector<ll> v2,p2;

int main() {
	ll a;	
	scanf("%lld",&a);
	v.pb(1), p.pb(a);
	scanf("%lld",&a);
	v.pb(2), p.pb(a);
	scanf("%lld",&a);
	v.pb(4), p.pb(a);
	scanf("%lld",&a);
	v.pb(8), p.pb(a);
	for(int i = 0; i <= 3; ++i) {
		int V = v[i], P = p[i];
		if(v2.size() && V * p2.back() < v2.back() * P) {
			continue;
		}
		v2.pb(V), p2.pb(P);
		// cout << V << " " << P << endl;
	}
	int k = v2.size()-1;
	ll N, y = 0;
	scanf("%lld",&N);
	N *= 4;
	for(int k = (int)v2.size()-1; k >= 0; --k) {
		if(v2[k] <= N) {
			y += (N/v2[k]) * p2[k];
			N %= v2[k];
		}
	}
	printf("%lld\n",y);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&a);
                  ^
./Main.cpp:19:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&a);
                  ^
./Main.cpp:21:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&a);
                  ^
./Main.cpp:23:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&a);
                  ^
./Main.cpp:35:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&N);
                  ^

Judge Result