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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 |
---|---|---|---|---|---|---|---|---|---|
#703736 | #7900. Gifts from Knowledge | XiaoYang3 | WA | 48ms | 35124kb | C++23 | 2.6kb | 2024-11-02 18:23:02 | 2024-11-02 18:23:03 |
Judging History
answer
#include <bits/stdc++.h>
using ll = long long;
using namespace std;
using pii = pair<int, int>;
const int N = 1e6 + 5;
const int P = 1e9 + 7;
ll n, m, ans;
string s[N];
void solve() {
cin >> n >> m;
vector<vector<int>> a(n + 2, vector<int>(m + 2));
vector<int> c(m + 2);
for (int i = 1; i <= n; i++) {
cin >> s[i];
s[i] = ' ' + s[i];
for (int j = 1; j <= (m + 1) / 2; j++) {
if (s[i][j] == '1') {
a[i][j]++;
}
if (s[i][m - j + 1] == '1') {
a[i][j]++;
}
if (a[i][j] == 1 && !c[j]) {
c[j] = i;
}
// cout << a[i][j] << " ";
}
}
auto b = a;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= (m + 1) / 2; j++) {
a[i][j] += a[i - 1][j];
if (a[i][j] > 2) {
cout << "0\n";
return;
}
}
}
auto ck = [&](int i, int j) -> bool {
int res = 0;
for (int k = 1; k <= m; k++) {
if (s[i][k] == '1' && s[j][k] == '1') {
res++;
break;
}
}
for (int k = 1; k <= m; k++) {
if (s[i][m - k + 1] == '1' && s[j][k] == '1') {
res++;
break;
}
}
if (res >= 2) {
return 1;
}
return 0;
};
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
// if (a[i][j] == 2 && a[i - 1][j] == 1) {
// if (ck(c[j], i)) {
// cout << "0\n";
// return;
// }
// }
if (s[i][j] == '1') {
for (int k = 1; k < i; k++) {
if (ck(k, i)) {
cout << "0\n";
return;
}
}
break;
}
}
}
int k = n;
for (int i = 2; i <= n; i++) {
set<int> se;
for (int j = 1; j <= (m + 1) / 2; j++) {
// cout << b[i][j] << '\n';
if (a[i - 1][j] == 1 && a[i][j] == 2) {
se.insert(c[j]);
}
}
k -= se.size();
}
ans = 1;
for (int i = 1; i <= k; i++) {
ans *= 2;
ans %= P;
}
cout << (ans == 1 ? 0 : ans) << '\n';
}
int main() {
// std::ios::sync_with_stdio(false);
// std::cin.tie(nullptr);
int _ = 1;
cin >> _;
while (_--) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 9ms
memory: 34824kb
input:
3 3 5 01100 10001 00010 2 1 1 1 2 3 001 001
output:
4 0 2
result:
ok 3 number(s): "4 0 2"
Test #2:
score: 0
Accepted
time: 44ms
memory: 35124kb
input:
15613 10 10 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 15 8 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1 5 00000 5 9 000000000 000000000 0000...
output:
1024 32768 2 32 32768 128 32 16 16 2 16384 16384 128 128 32768 8192 128 64 16384 2 4 2 4096 16 4096 1024 32768 32768 16384 8 128 2 16 4096 8192 32768 8192 8192 16 16384 16384 256 128 8 256 8 4096 512 2 4 32 32 2 64 512 1024 32768 32768 2 64 16384 16 8192 16 256 16 64 8192 8192 64 1024 2 32768 2 4 51...
result:
ok 15613 numbers
Test #3:
score: 0
Accepted
time: 48ms
memory: 34928kb
input:
15759 9 6 000000 000000 000000 000000 000000 000000 000000 000000 000000 5 15 010000000000000 000000000000000 000000000000000 000100000000000 000100000000000 14 12 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000...
output:
512 16 16384 512 1024 4096 32768 4 2 512 512 512 512 8 2 256 16 4096 512 64 16 4096 512 32 32768 8192 32 2048 128 16 4096 64 32768 256 32 16384 8 512 32 2048 8 16 1024 2048 128 64 32 8 512 8 8192 256 8192 32768 2 8 512 512 256 32 2 2048 8192 8 64 8 2 16384 32768 32768 1024 4096 16384 16384 128 256 4...
result:
ok 15759 numbers
Test #4:
score: -100
Wrong Answer
time: 43ms
memory: 35088kb
input:
15734 3 6 000101 010000 001110 5 7 0010010 1000000 0101000 0000000 0000000 10 9 000000000 100000000 000000000 000000000 000010000 000000001 000000000 000000000 000000000 000000000 5 14 10000000000000 00001001000000 00000100000000 00000000000000 00000100000000 5 14 00000000000000 00010000000100 00000...
output:
0 16 512 16 32 4096 0 256 0 0 0 0 4096 8 1024 128 8192 0 128 0 2 0 0 32 64 0 0 0 4096 64 8 8 32 128 64 4096 2 512 16384 4 2 0 0 32 0 4096 8 0 8192 256 256 64 0 32 0 32 0 256 4 16384 1024 4 0 16 256 0 2048 64 8 0 0 32768 2048 512 2048 2 0 8192 0 2 2048 16 512 256 1024 0 0 2 32 512 16384 0 32 1024 102...
result:
wrong answer 1281st numbers differ - expected: '0', found: '2'