Submission #1356164


Source Code Expand

#include<bits/stdc++.h>
#define boom {puts("No"); return 0;}
using namespace std;
typedef long long ll;
ll n, a[100005][4], rev[2], inv[2];
vector<ll> x[2];

struct segtree {
	ll val[444444], lim;
	void init (ll X) {
		for(lim=1;lim<=X;lim<<=1);
		for(ll i=2*lim; --i; ) val[i] = 0;
	}
	void update (ll P, ll V) {
		P += lim;
		while(P) {
			val[P] += V;
			P >>= 1;
		}
	}
	ll query (ll S, ll E) {
		S += lim; E += lim;
		ll ret = 0;
		while(S <= E) {
			if(S % 2 == 1) ret += val[S++];
			if(E % 2 == 0) ret += val[E--];
			S >>= 1; E >>= 1;
		}
		return ret;
	}
} seg;

void solve (vector<ll> &V, ll &A) {
	seg.init(V.size());
	for(auto &T : V) {
		A += seg.query(T + 1, V.size());
		seg.update(T, 1);
	}
}

int main()
{
	scanf("%lld",&n);
	for(ll i=0;i<3;i++) for(ll j=1;j<=n;j++) {
		scanf("%lld",&a[j][i]);
	}
	for(ll i=1;i<=n;i++) {
		if(abs(a[i][1] - a[i][0]) != 1 || a[i][1] - a[i][0] != a[i][2] - a[i][1]) boom;
		if(a[i][1] - a[i][0] < 0) rev[i%2]++;
		ll mx = max(a[i][0], a[i][2]);
		if(mx % 3 != 0 || (mx/3) % 2 != i % 2) boom;
		x[i%2].push_back((mx/3+1)/2);
	}
	solve(x[0], inv[0]);
	solve(x[1], inv[1]);
	for(int i=0;i<2;i++) if((inv[i^1] + rev[i]) % 2) boom;
	puts("Yes");
}

Submission Info

Submission Time
Task E - Rotate 3x3
User khsoo01
Language C++14 (GCC 5.4.1)
Score 1500
Code Size 1251 Byte
Status AC
Exec Time 138 ms
Memory 6772 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:43:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
                  ^
./Main.cpp:45:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[j][i]);
                         ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1500 / 1500
Status
AC × 5
AC × 79
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt, 1_70.txt, 1_71.txt, 1_72.txt, 1_73.txt
Case Name Status Exec Time Memory
0_00.txt AC 2 ms 2304 KB
0_01.txt AC 2 ms 2304 KB
0_02.txt AC 2 ms 2304 KB
0_03.txt AC 2 ms 2304 KB
0_04.txt AC 2 ms 2304 KB
1_00.txt AC 38 ms 6772 KB
1_01.txt AC 31 ms 4864 KB
1_02.txt AC 31 ms 4864 KB
1_03.txt AC 31 ms 4864 KB
1_04.txt AC 31 ms 4864 KB
1_05.txt AC 38 ms 6772 KB
1_06.txt AC 31 ms 4864 KB
1_07.txt AC 31 ms 4864 KB
1_08.txt AC 31 ms 4864 KB
1_09.txt AC 31 ms 4864 KB
1_10.txt AC 2 ms 2304 KB
1_11.txt AC 2 ms 2304 KB
1_12.txt AC 2 ms 2304 KB
1_13.txt AC 2 ms 2304 KB
1_14.txt AC 2 ms 2304 KB
1_15.txt AC 2 ms 2304 KB
1_16.txt AC 2 ms 2304 KB
1_17.txt AC 2 ms 2304 KB
1_18.txt AC 2 ms 2304 KB
1_19.txt AC 2 ms 2304 KB
1_20.txt AC 2 ms 2304 KB
1_21.txt AC 2 ms 2304 KB
1_22.txt AC 2 ms 2304 KB
1_23.txt AC 2 ms 2304 KB
1_24.txt AC 2 ms 2304 KB
1_25.txt AC 2 ms 2304 KB
1_26.txt AC 42 ms 6772 KB
1_27.txt AC 42 ms 6772 KB
1_28.txt AC 42 ms 6772 KB
1_29.txt AC 42 ms 6772 KB
1_30.txt AC 42 ms 6772 KB
1_31.txt AC 42 ms 6772 KB
1_32.txt AC 42 ms 6772 KB
1_33.txt AC 42 ms 6772 KB
1_34.txt AC 42 ms 6772 KB
1_35.txt AC 42 ms 6772 KB
1_36.txt AC 42 ms 6772 KB
1_37.txt AC 42 ms 6772 KB
1_38.txt AC 42 ms 6772 KB
1_39.txt AC 42 ms 6772 KB
1_40.txt AC 42 ms 6772 KB
1_41.txt AC 42 ms 6772 KB
1_42.txt AC 41 ms 6772 KB
1_43.txt AC 42 ms 6772 KB
1_44.txt AC 42 ms 6772 KB
1_45.txt AC 42 ms 6772 KB
1_46.txt AC 42 ms 6772 KB
1_47.txt AC 42 ms 6772 KB
1_48.txt AC 42 ms 6772 KB
1_49.txt AC 42 ms 6772 KB
1_50.txt AC 42 ms 6772 KB
1_51.txt AC 41 ms 6644 KB
1_52.txt AC 42 ms 6772 KB
1_53.txt AC 42 ms 6772 KB
1_54.txt AC 42 ms 6772 KB
1_55.txt AC 41 ms 6772 KB
1_56.txt AC 42 ms 6772 KB
1_57.txt AC 138 ms 6772 KB
1_58.txt AC 31 ms 4864 KB
1_59.txt AC 32 ms 5372 KB
1_60.txt AC 32 ms 5248 KB
1_61.txt AC 33 ms 5756 KB
1_62.txt AC 32 ms 5120 KB
1_63.txt AC 40 ms 6644 KB
1_64.txt AC 31 ms 5120 KB
1_65.txt AC 42 ms 6772 KB
1_66.txt AC 32 ms 5372 KB
1_67.txt AC 31 ms 4992 KB
1_68.txt AC 32 ms 5120 KB
1_69.txt AC 32 ms 5372 KB
1_70.txt AC 31 ms 4864 KB
1_71.txt AC 32 ms 4864 KB
1_72.txt AC 42 ms 6772 KB
1_73.txt AC 42 ms 6772 KB