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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 |
---|---|---|---|---|---|---|---|---|---|
#168452 | #5438. Half Mixed | Zhou_JK# | ML | 1ms | 3472kb | C++23 | 2.1kb | 2023-09-08 15:18:29 | 2023-09-08 15:18:29 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
long long way(int x) {
return 1ll * x * (x + 1) / 2;
}
void solve() {
auto getv = [&](int x) {
long long w = way(x) / 2;
vector<int> lens;
for (int i = x; i >= 1; i--) {
if (w >= way(i) + x) {
lens.push_back(i);
w -= way(i);
break;
}
}
// w >= n >= rem
int rem = x - (lens.empty() ? 0 : lens[0]);
while (rem < w) {
bool ok = false;
for (int j = 10; j >= 2; j--) {
int ww = way(j);
if (w - ww >= rem - j) {
ok = true;
w -= ww;
rem -= j;
lens.push_back(j);
break;
}
}
if (!ok) {
return vector<int>{};
}
}
while (rem--) {
lens.push_back(1);
}
return lens;
};
int n, m;
cin >> n >> m;
if (way(n) % 2 == 1 && way(m) % 2 == 1) {
cout << "No\n";
return;
}
cout << "Yes\n";
if (way(n) % 2 == 0) {
auto lens = getv(n);
if (lens.empty()){
cout<<"No\n";
return;
}
int p = 0, i = 0;
vector<int> col(n);
for (int x : lens) {
while (x--) col[i++] = p;
p ^= 1;
}
for(int i=0;i<n;i++)for(int j=0;j<m;j++){
cout<<col[i]<<" \n"[j+1==m];
}
} else {
auto lens = getv(m);
if (lens.empty()){
cout<<"No\n";
return;
}
int p = 0, i = 0;
vector<int> col(m);
for (int x : lens) {
while (x--) col[i++] = p;
p ^= 1;
}
for(int i=0;i<n;i++)for(int j=0;j<m;j++){
cout<<col[j]<<" \n"[j+1==m];
}
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t--) {
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3472kb
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
Memory Limit Exceeded
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 ...