QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#785607 | #9799. Magical Palette | Grass_near_home# | WA | 42ms | 16412kb | C++14 | 3.1kb | 2024-11-26 18:29:32 | 2024-11-26 18:29:35 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 1e6 + 10;
bool is_prime[MAXN];
int pre[MAXN];
int N,M;
int a[MAXN],b[MAXN];
int c[1001][1001];
int vis[MAXN];
int gcd(int n,int m){
if(m == 0) return n;
return gcd(m, n % m);
}
// int a[1005], b[1005];
int cnt[1000005];
bool check(int N, int M){
if(N > M) swap(N, M);
memset(cnt, 0, N*M*sizeof(int));
for(int i = 1; i <= N; i++){
a[i] = i;
}
for(int i = 1; i <= M; i++){
b[i] = 1 + (i - 1) * N;
}
for(int i=1;i<=N;i++){
for(int j=1;j<=M;j++){
int t = a[i] * b[j] % (M * N);
cnt[t] ++;
}
}
for(int i=0;i<N*M;i++){
if(cnt[i] == 0) return false;
}
return true;
}
bool solve(int n,int m){
if(pre[n] > m || pre[m] > n){
}
else return false;
N = n; M = m;
if(gcd(N,M) != 1) return false;
if(is_prime[N] && is_prime[M]) return true;
// if(N < M)
// if(is_prime[N]){
// if(M < N) return true;
// if(pre[M] > N) return true;
// return false;
// }
// if(is_prime[M]){
// if(N < M) return true;
// if(pre[N] > M) return true;
// return false;
// }
return false;
}
void prepare(){
ios::sync_with_stdio(false);
cin.tie(0);
cin >> N >> M;
if(N == 1 && M == 1){
cout << "Yes\n";
cout << 1 << "\n";
cout << 1 << "\n";
return;
}
if(!(pre[N] > M || pre[M] > N)){
cout << "No\n";
return;
}
int flag = 0;
if(N > M) swap(N,M), flag = 1;
for(int i = 1; i <= N; i++){
a[i] = i;
}
for(int i = 1; i <= M; i++){
b[i] = 1 + (i - 1) * N;
}
cout << "Yes\n";
if(!flag){
for(int i = 1; i <= N; i++) cout << a[i] << " ";
cout << "\n";
for(int i = 1; i <= M; i++) cout << b[i] << " ";
cout << "\n";
}
else{
for(int i = 1; i <= M; i++) cout << b[i] << " ";
cout << "\n";
for(int i = 1; i <= N; i++) cout << a[i] << " ";
cout << "\n";
}
// cout << "DEBUG:" << endl;
// for(int i = 1; i <= N; i++){
// for(int j = 1; j <= M; j++){
// c[i][j] = a[i] * b[j] % (N * M);
// cout << c[i][j] << " ";
// }
// cout << endl;
// }
}
int main(){
for(int i = 2; i < MAXN; i++){
is_prime[i] = 1;
}
for(int i = 2; i < MAXN; i++){
if(!is_prime[i]) continue;
pre[i] = i;
for(int j = 2 * i; j < MAXN; j += i){
if(is_prime[j]){
is_prime[j] = 0;
pre[j] = i;
}
}
}
int T;
cin >> T;
while(T--){
prepare();
}
// for(int i=2;i<=50;i++){
// for(int j=2;j<=50;j++){
// if(check(i,j) != solve(i,j)){
// cout << i << " " << j << " " << check(i,j) << " " << solve(i,j) << "!!!\n";
// }
// }
// }
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 3ms
memory: 13512kb
input:
2 2 3 2 2
output:
Yes 1 2 1 3 5 No
result:
ok 2 cases (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 42ms
memory: 16412kb
input:
1 1 1000000
output:
Yes 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 1...
result:
wrong answer Integer parameter [name=b[1000000]] equals to 1000000, violates the range [0, 999999] (test case 1)