1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000100000000000000000
<1001911 bytes omitted>
用户输出
553
系统信息
Exited with return code 0
编号 | 题目 | 状态 | 分数 | 总时间 | 内存 | 代码 / 答案文件 | 提交者 | 提交时间 |
---|---|---|---|---|---|---|---|---|
#49360 | #1253. 开课通知 | Accepted | 100 | 171 ms | 4460 K | C++ 17 / 987 B | wty | 2021-06-29 20:14:09 |
#include <bits/stdc++.h>
#define ll long long
#define db double
//#define int ll
#define vi vector<int>
#define vii vector<vi>
#define pb push_back
using namespace std;
const int INF = 0x3f3f3f3f;
signed main() {
#ifdef _DEBUG
freopen("out", "w", stdout);
#endif
ios::sync_with_stdio(false);
cin.tie(0);
int n, m;
cin >> n >> m;
vii a(n, vi(m));
vi cnt(m), vis(n);
for (int i = 0; i < n; i++) {
string s;
cin >> s;
for (int j = 0; j < m; j++) {
a[i][j] = s[j] - '0';
if (a[i][j]) {
cnt[j]++;
}
}
}
int ans = n;
while (ans) {
bool fg = 0;
for (int i = 0; i < m; i++) {
if (cnt[i] == 1) {
for (int j = 0; j < n; j++) {
if (a[j][i] && !vis[j]) {
vis[j] = 1;
for (int k = 0; k < m; k++) {
if (a[j][k]) {
cnt[k]--;
}
}
break;
}
}
fg = 1;
ans--;
break;
}
}
if (!fg)
break;
}
cout << ans << '\n';
return 0;
}
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000100000000000000000
<1001911 bytes omitted>
用户输出
553
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>
用户输出
390
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>
用户输出
570
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000010000000
<1001911 bytes omitted>
用户输出
898
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>
用户输出
959
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000010000000
<1001911 bytes omitted>
用户输出
985
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>
用户输出
992
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
<1001911 bytes omitted>
用户输出
995
系统信息
Exited with return code 0
1000 1000
00000000000000000000000000000000000000000100000000000000000000000000000000000000000000000
<1001911 bytes omitted>
用户输出
1000
系统信息
Exited with return code 0
1000 1000
00000000000000010000000000000000000000000000000000000000000000000000000000000000000000000
<1001911 bytes omitted>
用户输出
998
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
9998
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
9997
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
10000
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
9999
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
10000
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
10000
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
10000
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
10000
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
1000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
10000
系统信息
Exited with return code 0
10000 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
000000
<119910 bytes omitted>
用户输出
10000
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4930
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4922
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4940
系统信息
Exited with return code 0
5000 200
000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4944
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4960
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4967
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4980
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4980
系统信息
Exited with return code 0
5000 200
000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<1009910 bytes omitted>
用户输出
4987
系统信息
Exited with return code 0