oj.uz

Submission #402552

# Submission time Handle Problem Language Result Execution time Memory
402552 2021-05-11T23:27:43 Z AmineWeslati Remittance (JOI19_remittance) C++14
55 / 100
 1000 ms 58872 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int>vi;
#define pb push_back
#define sz(v) (int)v.size()
#define all(x) begin(x),end(x)

#define dbgv(v) for(auto x: v) cerr << x << ' '; cerr << endl;

#define FOR(i,a,b) for(int i=a; i<b; i++)
#define ROF(i,a,b) for(int i=b-1; i>=a; i--)

const int nx[4]={-1,0,1,0},ny[4]={0,1,0,-1};

void IO(){
#ifdef LOCAL
	freopen("input.txt","r",stdin);
	freopen("output.txt","w",stdout);
#endif
}

//-----------------------------------------------//

void no(){
	cout << "No" << endl;
	exit(0);
}

int main(){
	IO();

	int N; cin>>N;
	vector<ll> a(N+1),b(N+1),c(N+1),power(N+1,1);
	ll sum=0;
	FOR(i,1,N+1){
		cin>>a[i]>>b[i];
		c[i]=b[i]-a[i];	

		sum+=a[i];
		power[i]=power[i-1]*2;
	}

	ll x=0;
	FOR(i,1,N+1) x+=power[i-1]*c[i];
	if(x%(1-power[N])!=0) no();
	x/=(1-power[N]);
	if(x<0) no();

	vector<ll> X(N+1); X[N]=x; 
	ROF(i,1,N){
		X[i]=c[i+1]+2*X[i+1];
		if(X[i]<0) no();
	}
	assert(X[N]==c[1]+2*X[1]);

	//checking

	int rep=5e5;
	while(rep--){
		FOR(i,1,N+1){
			int n=min(X[i],a[i]/2);

			a[i]-=2*n; X[i]-=n;
 
			int nxt=i+1; 
			if(i==N) nxt=1;
			a[nxt]+=n;

		}
	}
	FOR(i,1,N+1) if(X[i]) no();

	FOR(i,1,N+1) if(a[i]!=b[i]) no();

	cout << "Yes" << endl;

}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 204 KB Output is correct
3 Correct 6 ms 204 KB Output is correct
4 Correct 9 ms 288 KB Output is correct
5 Correct 15 ms 280 KB Output is correct
6 Correct 20 ms 288 KB Output is correct
7 Correct 21 ms 288 KB Output is correct
8 Correct 7 ms 204 KB Output is correct
9 Correct 11 ms 288 KB Output is correct
10 Correct 17 ms 292 KB Output is correct
11 Correct 20 ms 268 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 17 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 20 ms 284 KB Output is correct
21 Correct 20 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 21 ms 288 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 20 ms 284 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 20 ms 204 KB Output is correct
29 Correct 20 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 20 ms 204 KB Output is correct
32 Correct 20 ms 288 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 204 KB Output is correct
3 Correct 6 ms 204 KB Output is correct
4 Correct 9 ms 288 KB Output is correct
5 Correct 15 ms 280 KB Output is correct
6 Correct 20 ms 288 KB Output is correct
7 Correct 21 ms 288 KB Output is correct
8 Correct 7 ms 204 KB Output is correct
9 Correct 11 ms 288 KB Output is correct
10 Correct 17 ms 292 KB Output is correct
11 Correct 20 ms 268 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 17 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 20 ms 284 KB Output is correct
21 Correct 20 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 21 ms 288 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 20 ms 284 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 20 ms 204 KB Output is correct
29 Correct 20 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 20 ms 204 KB Output is correct
32 Correct 20 ms 288 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 57 ms 204 KB Output is correct
35 Correct 57 ms 264 KB Output is correct
36 Correct 6 ms 204 KB Output is correct
37 Correct 56 ms 204 KB Output is correct
38 Correct 6 ms 204 KB Output is correct
39 Correct 15 ms 296 KB Output is correct
40 Correct 56 ms 204 KB Output is correct
41 Correct 56 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 296 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 56 ms 268 KB Output is correct
50 Correct 6 ms 204 KB Output is correct
51 Correct 56 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 58 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 56 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 56 ms 204 KB Output is correct
59 Correct 56 ms 268 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 56 ms 204 KB Output is correct
62 Correct 56 ms 204 KB Output is correct

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 204 KB Output is correct
3 Correct 6 ms 204 KB Output is correct
4 Correct 9 ms 288 KB Output is correct
5 Correct 15 ms 280 KB Output is correct
6 Correct 20 ms 288 KB Output is correct
7 Correct 21 ms 288 KB Output is correct
8 Correct 7 ms 204 KB Output is correct
9 Correct 11 ms 288 KB Output is correct
10 Correct 17 ms 292 KB Output is correct
11 Correct 20 ms 268 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 17 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 20 ms 284 KB Output is correct
21 Correct 20 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 21 ms 288 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 20 ms 284 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 20 ms 204 KB Output is correct
29 Correct 20 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 20 ms 204 KB Output is correct
32 Correct 20 ms 288 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 57 ms 204 KB Output is correct
35 Correct 57 ms 264 KB Output is correct
36 Correct 6 ms 204 KB Output is correct
37 Correct 56 ms 204 KB Output is correct
38 Correct 6 ms 204 KB Output is correct
39 Correct 15 ms 296 KB Output is correct
40 Correct 56 ms 204 KB Output is correct
41 Correct 56 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 296 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 56 ms 268 KB Output is correct
50 Correct 6 ms 204 KB Output is correct
51 Correct 56 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 58 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 56 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 56 ms 204 KB Output is correct
59 Correct 56 ms 268 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 56 ms 204 KB Output is correct
62 Correct 56 ms 204 KB Output is correct
63 Correct 872 ms 58872 KB Output is correct
64 Execution timed out 1022 ms 43332 KB Time limit exceeded
65 Halted 0 ms 0 KB -