QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#534646 | #9114. Black or White 2 | synonym | WA | 156ms | 5728kb | C++17 | 2.4kb | 2024-08-27 14:48:53 | 2024-08-27 14:48:54 |
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;
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 (k%3==2) {
g[n-1][m-1] = 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--;
}
}
}
void solve() {
cin>>n>>m>>k;
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 (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";
}
signed main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
int t; cin>>t;
for (int i=0; i<t; i++) {
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3592kb
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: 156ms
memory: 5728kb
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 Output doesn't minimize loss.