QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#535800 | #9114. Black or White 2 | synonym | WA | 154ms | 3700kb | C++17 | 3.2kb | 2024-08-28 14:58:55 | 2024-08-28 14:58:57 |
Judging History
answer
#include "bits/stdc++.h"
using namespace std;
#define int long long
#define all(x) begin(x), end(x)
#define sz(x) (int) (x).size()
const int mxn=2e3;
void check();
int n,m,k,fl,nm;
int g[mxn][mxn];
void solve2() {
if (k%2) {
for (int i=0; i<m; i++) {
if (k==0) break;
g[0][i] = 1; k--; if (k==0) break;
g[1][i] = 1; k--; if (k==0) break;
}
} else {
if (k==0) return;
g[0][m-1] = 1; k--;
for (int i=0; i<m; i++) {
if (k==0) break;
g[0][i] = 1; k--; if (k==0) break;
g[1][i] = 1; k--; if (k==0) break;
}
}
}
void solve3() {
if (k%3==0 && k) {
g[0][m-1] = 1; k--;
}
int ok = k;
for (int i=0; k; i++) {
if (!k) break;
if (ok%3==1) {
g[1][i] = 1; k--;
if (!k) break;
g[0][i] = 1; k--;
g[2][i] = 1; k--;
if (!k) break;
} else {
g[0][i] = 1; k--;
g[2][i] = 1; k--;
if (!k) break;
g[1][i] = 1; k--;
if (!k) break;
}
}
}
void solvek2() {
g[0][0] = g[n-1][m-1] = 1;
}
void solven() {
// swap(n,m); nm = !nm;
for (int i=0; i<=n; i++) {
for (int j=0; j<=m; j++) {
g[i][j] = 0;
}
}
int c = 0;
while (k >= 2*n) {
for (int i=0; i<n; i++) {
g[i][c] = 1; k--;
}
c++;
}
if (k >= n) {
for (int i=0; i<n; i+=2) {
g[i][c] = 1; k--;
}
}
if (2*k <= n) {
for (int i=0; k; i+=2) {
g[i][m-1] = 1; k--;
}
return;
}
int fff = 0;
if (k%3==2) {
fff = 1; k--;
}
int sp = 0;
if (k%3==1) {
g[0][m-1] = 1; sp=1; k--;
}
for (int i=sp; k; i++) {
g[i][m-1] = 1; k--;
if (!k) break;
if (i%2==sp%2) {
g[i][m-2] = 1; k--;
}
}
if (fff) {
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) {
if (g[i][j]) continue;
int su=0;
su += g[i+1][j+1]+g[i+1][j]+(j?g[i+1][j-1]:0);
su += g[i][j+1]+g[i][j+1]+(j?g[i][j-1]:0);
if (i) su += g[i-1][j+1]+g[i-1][j]+(j?g[i-1][j-1]:0);
if (!su) {
// cout<<i<<" "<<j<<" "<<su<<endl;
fff = 0;
g[i][j] = 1;
return;
}
}
}
}
}
void solve() {
cin>>n>>m>>k;
// cout<<n<<" "<<m<<" "<<k<<endl;
if (2*k > n*m) {
fl = 1;
k = n*m-k;
} else fl = 0;
if (n>m) {
nm = 1;
swap(n,m);
} else nm = 0;
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) g[i][j]=0;
}
if (n==3 && m==3 && k==4) {
g[0][0] = g[0][1] = g[0][2] = g[1][1] = 1;
} else {
if (n==2) {
solve2();
} else if (n==3) {
solve3();
} else if (k==2) {
solvek2();
} else {
solven();
}
}
if (fl) {
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) {
g[i][j] = 1-g[i][j];
}
}
}
if (n==2&&m==2) {}
else check();
if (nm) {
for (int j=0; j<m; j++) {
for (int i=0; i<n; i++) {
cout<<g[i][j]<<"";
}
cout<<"\n";
}
} else {
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) {
cout<<g[i][j]<<"";
}
cout<<"\n";
}
}
cout<<"\n";
}
void check() {
for (int i=0; i<n-1; i++) {
for (int j=0; j<m-1; j++) {
if (g[i][j]+g[i][j+1]+g[i+1][j]+g[i+1][j+1]==2) {
assert(0);
}
}
}
}
signed main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
int t; cin>>t;
for (int i=0; i<t; i++) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3624kb
input:
2 2 2 2 2 3 0
output:
11 00 000 000
result:
ok Output is valid. OK.
Test #2:
score: -100
Wrong Answer
time: 154ms
memory: 3700kb
input:
27520 2 2 0 2 2 1 2 2 2 2 2 3 2 2 4 2 3 0 2 3 1 2 3 2 2 3 3 2 3 4 2 3 5 2 3 6 3 2 0 3 2 1 3 2 2 3 2 3 3 2 4 3 2 5 3 2 6 3 3 0 3 3 1 3 3 2 3 3 3 3 3 4 3 3 5 3 3 6 3 3 7 3 3 8 3 3 9 2 4 0 2 4 1 2 4 2 2 4 3 2 4 4 2 4 5 2 4 6 2 4 7 2 4 8 3 4 0 3 4 1 3 4 2 3 4 3 3 4 4 3 4 5 3 4 6 3 4 7 3 4 8 3 4 9 3 4 10...
output:
00 00 10 00 11 00 01 11 11 11 000 000 100 000 101 000 110 100 010 111 011 111 111 111 00 00 00 10 00 00 10 00 10 11 10 00 01 11 01 01 11 11 11 11 11 000 000 000 000 100 000 100 000 100 101 000 100 111 010 000 000 101 111 010 111 011 011 111 011 111 011 111 111 111 111 00...
result:
wrong answer The number of black cell is not K