Submission #1175388

#	Time	Username	Problem	Language	Result	Execution time	Memory
1175388		ByeWorld	Remittance (JOI19_remittance)	C++20	0 / 100	0 ms	328 KiB

remittance

#include <bits/stdc++.h>
// #pragma GCC optimize("O3")
#define int long long
#define ll long long
#define pb push_back
#define fi first
#define se second
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
#define ld long double
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii,pii> ipii;
const int MAXN = 1e6+10;
const int MAXA = 2e5;
const int INF = 1e9+100;
const int SQRT = 500;
const int LOG = 24;
const int MOD = 1e9+7;
void chmn(auto &a, auto b){ a = min(a, b); }
void chmx(int &a, int b){ a = max(a, b); }
int sum(int a, int b){ a %= MOD; b %= MOD; return (a+b)%MOD; }
int sub(int a, int b){ a %= MOD; b %= MOD; return (a+MOD-b)%MOD; }
void chsum(int &a, int b){ a %= MOD; b %= MOD; a = (a+b)%MOD; }
void chsub(int &a, int b){ a %= MOD; b %= MOD; a = (a+MOD-b)%MOD; }
int mul(int a, int b){ a %= MOD; b %= MOD; return a*b%MOD;}
void chmul(int &a, int b){ a = a*b%MOD; }
int expo(int a, int b){
	if(b==0) return 1;
	int te = expo(a, b/2); te = mul(te, te);
	return (b%2 ? mul(te, a) : te);
}
int n, a[MAXN], x[MAXN];

signed main(){
	// ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n;
	for(int i=1; i<=n; i++){
		cin>>a[i]; int x;cin>>x;
		a[i] -= x;
	}
	int te = 0;
	for(int pp=1; pp<=10; pp++){
		for(int i=1; i<=n; i++){
			te += x[i]; x[i] = 0;
			if(a[i] >= 0) te += a[i], a[i] = 0;
			else {
				int mn = min(-a[i], te);
				a[i] += mn; te -= mn;
			}
			if(te%2) x[i] = 1, te--;
			te /= 2;
		}
	}
	bool can = 1;
	for(int i=1; i<=n; i++){
		if(x[i]!=0 || a[i]!=0) can = 0;
	}
	cout << (can ? "Yes\n" : "No\n");
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 45