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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#614722 | #5438. Half Mixed | mhw# | WA | 142ms | 17272kb | C++20 | 2.8kb | 2024-10-05 16:51:11 | 2024-10-05 16:51:17 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define ld long double
const int maxn = 100;
const int N = 2e6 + 7;
int f[500][500]{};
ll w[N];
int n, m;
int work(ll tot, int tp)
{
vector<int> ans;
ll W = (tot + 1) * tot / 4;
ll V = tot;
if (W < V){
cout << "No\n";
return -1;
}
while (W && V)
{
if (W < maxn)
break;
int id = upper_bound(w + 1, w + 1000001, min(W, W - V)) - w - 1; // 小于等于min(W, W + 1 - V)的
W -= w[id] + id;
V -= id;
ans.push_back(id);
}
// W 填充的 W < maxn && W >= V
// V 格子数
while (W > 0 && V > 0)
{
int t = f[V][W];
if(t == -1){
cout << "No\n";
return -1;
}
ll dt = t * (t + 1) / 2;
ans.push_back(t);
W -= dt, V -= t;
}
cout << "Yes\n";
if (tp == 1)
{
int now = 0;
for (auto x : ans)
{
for (int j = 1; j <= x; ++j)
{
for (int i = 1; i <= m; ++i)
cout << now << " ";
cout << '\n';
}
now ^= 1;
}
return 1;
}
else
{
for (int i = 1; i <= n; i++)
{
int now = 0;
for (auto x : ans)
{
for (int j = 1; j <= x; ++j)
{
cout << now << " ";
}
now ^= 1;
}
cout << '\n';
}
return 1;
}
}
void slv()
{
int op = -1;
cin >> n >> m;
if (n % 4 == 0 || n % 4 == 3){
op = n;
if(work(n, 1) == 1) return;
}
if (m % 4 == 0 || m % 4 == 3){
op = m;
if(work(m, 2) == 1) return;
}
if (op == -1)
{
cout << "No\n";
return;
}
return ;
}
void init()
{
for (int i = 1; i <= 1000000; ++i)
w[i] = (i + 1) * i / 2 - i;
memset(f, -1, sizeof(f));
vector<int> g(51);
g[0] = 0;
for (int i = 1; i <= 50; i++)
{
g[i] = i * (i + 1) / 2;
}
f[0][0] = 0;
for (int i = 0; i <= 50; i++)
{
for (int j = 0; j < 101; j++)
{
if (f[i][j] == -1)
continue;
for (int k = 0; k <= 50; k++)
{
if (j + g[k] < 101 && i + k < 50)
{
f[i + k][j + g[k]] = max(f[i + k][j + g[k]], k);
}
}
}
}
}
signed main()
{
ios::sync_with_stdio(0);cin.tie(0),cout.tie(0);
init();
int _;
cin >> _;
while (_--)
slv();
}
/*
3
2 3
3 2
1 1
*/
详细
Test #1:
score: 100
Accepted
time: 4ms
memory: 17108kb
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: 0
Accepted
time: 138ms
memory: 15004kb
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 ...
output:
No No No Yes 0 1 0 No Yes 0 1 0 Yes 0 0 1 0 Yes 0 1 0 0 1 0 Yes 0 0 1 1 0 0 Yes 0 0 1 0 No Yes 0 0 1 0 0 0 1 0 Yes 0 0 0 1 1 1 0 0 0 Yes 0 0 0 0 1 1 0 0 No No No Yes 0 0 0 0 1 1 1 1 0 0 0 0 Yes 0 0 0 0 0 0 1 1 1 0 0 0 No No Yes 0 0 0 0 1 1 0 No Yes 0 0 0 0 0 1 1 1 1 1...
result:
ok OK, Accepted. (5382 test cases)
Test #3:
score: 0
Accepted
time: 139ms
memory: 15044kb
input:
1177 50 50 50 51 51 50 50 52 51 51 52 50 50 53 51 52 52 51 53 50 50 54 51 53 52 52 53 51 54 50 50 55 51 54 52 53 53 52 54 51 55 50 50 56 51 55 52 54 53 53 54 52 55 51 56 50 50 57 51 56 52 55 53 54 54 53 55 52 56 51 57 50 50 58 51 57 52 56 53 55 54 54 55 53 56 52 57 51 58 50 50 59 51 58 52 57 53 56 5...
output:
No Yes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 1 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 0 0 1...
result:
ok OK, Accepted. (1177 test cases)
Test #4:
score: 0
Accepted
time: 142ms
memory: 17272kb
input:
420 100 100 100 101 101 100 100 102 101 101 102 100 100 103 101 102 102 101 103 100 100 104 101 103 102 102 103 101 104 100 100 105 101 104 102 103 103 102 104 101 105 100 100 106 101 105 102 104 103 103 104 102 105 101 106 100 100 107 101 106 102 105 103 104 104 103 105 102 106 101 107 100 100 108 ...
output:
Yes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
result:
ok OK, Accepted. (420 test cases)
Test #5:
score: -100
Wrong Answer
time: 3ms
memory: 14944kb
input:
6 900 900 900 901 901 900 900 902 901 901 902 900
output:
No No No No No No No
result:
wrong answer Wrong Verdict (test case 1)