Submission #3977651

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cassert>
#include <climits>
#include <algorithm>
#include <string>
#include <sstream>
#include <complex>
#include <vector>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <map>
#include <set>
#include <fstream>

using namespace std;
#define TOSTRING(x) #x
#define SZ(x) (int)(x).size()
#define REP(i,n) for(int i=0;i<(n);i++)
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REPR(i,n) for(int i=(n)-1;i>=0;i--)
#define ALL(s) (s).begin(), (s).end()
#define so(V) sort(ALL(V))
#define rev(V) reverse(ALL(V))
#define uni(v) v.erase( unique(ALL(v)) , v.end());
#define PAU system("pause")

typedef long long unsigned int llu;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<bool> vb;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef vector<vb> vvb;
const double EPS = 1e-9;
const int MOD = 1e9 + 7;
const int INF = (1 << 28);
const ll LINF = 1e18;
const double PI = acos(-1);

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	ll A, B;
	cin >> A >> B;
	A--;
	ll ans = 0;
	REP(i, 2) {
		ans *= -1;
		string str = to_string(A);
		vvll dp(SZ(str) + 1,vll(2, 0));
		dp[0][1] = 1;
		REP(cur, SZ(str)) {
			REP(next, 10) {
				if (next == 4 || next == 9)continue;
				dp[cur + 1][0] += dp[cur][0];
			}
			REP(next, (str[cur] - '0')) {
				if (next == 4 || next == 9)continue;
				dp[cur + 1][0] += dp[cur][1];
			}
			if(str[cur] != '4' && str[cur] != '9')dp[cur + 1][1] += 1;
		}
		ans += dp[SZ(str)][0] + dp[SZ(str)][1];
		swap(A, B);
	}

	cout << (B - A) - ans << endl;
	PAU;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:74:5: warning: ignoring return value of ‘int system(const char*)’, declared with attribute warn_unused_result [-Wunused-result]
  PAU;
     ^

Judge Result