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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#419821 | #5438. Half Mixed | xuanbac05 | RE | 0ms | 3812kb | C++14 | 1.6kb | 2024-05-24 11:38:19 | 2024-05-24 11:38:20 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define endl '\n'
#define MASK(i) (1LL << (i))
#define ull unsigned long long
#define ld long double
#define pb push_back
#define all(x) (x).begin() , (x).end()
#define BIT(x , i) ((x >> (i)) & 1)
#define TASK "task"
#define sz(s) (int) (s).size()
using namespace std;
const int mxN = 5e5 + 227;
const int inf = 1e9 + 277;
const int mod = 1e9 + 7;
const ll infll = 1e18 + 7;
const int base = 307;
const int LOG = 20;
template <typename T1, typename T2> bool minimize(T1 &a, T2 b) {
if (a > b) {a = b; return true;} return false;
}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b) {
if (a < b) {a = b; return true;} return false;
}
int n;
int m;
void solve()
{
cin >> n >> m;
ll tot = 1LL * n * m * (n + 1) * (m + 1) / 4;
if(tot % 2 != 0) cout << "No" << endl;
else {
ll cur = 0;
ll target = 1LL * m * (m + 1) / 4;
vector<int> value;
while(target > 0) {
int lo = 1, hi = m - cur + 1;
while(lo + 1 < hi) {
int mid = (lo + hi) / 2;
if(1LL * mid * (mid + 1) / 2 + m - (cur + mid) > target) hi = mid;
else lo = mid;
}
target -= 1LL * lo * (lo + 1) / 2;
cur += lo;
value.pb(lo);
}
assert(target == 0 && cur == m);
cout << "Yes" << endl;
for(int i = 1; i <= n; i++) {
for(int j = 0; j < sz(value); j++) {
for(int k = 0; k < value[j]; k++) cout << (j & 1) << ' ';
}
cout << endl;
}
}
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int tc = 1;
cin >> tc;
while(tc--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3812kb
input:
2 2 3 1 1
output:
Yes 0 1 0 0 1 0 No
result:
ok OK, Accepted. (2 test cases)
Test #2:
score: -100
Runtime Error
input:
5382 1 1 1 2 2 1 1 3 2 2 3 1 1 4 2 3 3 2 4 1 1 5 2 4 3 3 4 2 5 1 1 6 2 5 3 4 4 3 5 2 6 1 1 7 2 6 3 5 4 4 5 3 6 2 7 1 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 9 1 1 10 2 9 3 8 4 7 5 6 6 5 7 4 8 3 9 2 10 1 1 11 2 10 3 9 4 8 5 7 6 6 7 5 8 4 9 3 10 2 11 1 1 12 2 11 3 10 4 9 5 8 6 ...