| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 545628 |
2022-04-05T02:14:43 Z |
Monarchuwu |
Ili (COI17_ili) |
C++17 |
|
736 ms |
1936 KB |
/**
* Problem: COI17_ili (Croatian Olympiad in Informatics 2017)
* Link: https://oj.uz/problem/view/COI17_ili
**/
#include<iostream>
#include<algorithm>
#include<vector>
#include<string>
#include<map>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define ff first
#define ss second
const int N = 1e4 + 7;
int n, m;
char c[N];
map<string, int> mp;
int g[N << 1][2];
int dp[N << 1];
void gogo(bool f = false) {
fill(dp + 1, dp + n + 1, f ? 1 : -1);
for (int i = 1; i <= m; ++i)
dp[n + i] = c[i] == '?' ? -1 : c[i] - '0';
for (int i = m + n; i > n; --i)
if (!dp[i]) dp[g[i][0]] = dp[g[i][1]] = 0;
for (int i = n + 1; i <= m + n; ++i) if (f || !~dp[i]) {
if (dp[g[i][0]] == 1 || dp[g[i][1]] == 1) dp[i] = 1;
else if (!dp[g[i][0]] && !dp[g[i][1]]) dp[i] = 0;
}
}
void prep() {
gogo();
for (int i = 1; i <= m; ++i)
c[i] = "?01"[dp[i + n] + 1];
}
void solve() {
for (int i = 1; i <= m; ++i) if (c[i] == '?') {
c[i] = '0'; // if c[i] == '0'
gogo(true);
bool f(true);
for (int j = 1; j <= m; ++j)
if (c[j] != '?' && dp[j + n] != c[j] - '0') {
f = false;
break;
}
c[i] = "1?"[f];
}
cout << (c + 1) << '\n';
}
int main() {
cin.tie(NULL)->sync_with_stdio(false);
cin >> n >> m >> (c + 1);
for (int i = 1; i <= n; ++i) mp["x" + to_string(i)] = mp.size() + 1;
for (int i = 1; i <= m; ++i) mp["c" + to_string(i)] = mp.size() + 1;
for (int i = 1; i <= m; ++i) {
string s1, s2; cin >> s1 >> s2;
g[i + n][0] = mp[s1], g[i + n][1] = mp[s2];
}
prep();
solve();
}
/** /\_/\
* (= ._.)
* / >0 \>1
**/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
2 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
2 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
27 ms |
920 KB |
Output is correct |
| 16 |
Correct |
328 ms |
1068 KB |
Output is correct |
| 17 |
Correct |
280 ms |
1132 KB |
Output is correct |
| 18 |
Correct |
441 ms |
1336 KB |
Output is correct |
| 19 |
Correct |
215 ms |
1236 KB |
Output is correct |
| 20 |
Correct |
736 ms |
1748 KB |
Output is correct |
| 21 |
Correct |
578 ms |
1936 KB |
Output is correct |
| 22 |
Correct |
69 ms |
1788 KB |
Output is correct |
| 23 |
Correct |
75 ms |
1828 KB |
Output is correct |
| 24 |
Correct |
73 ms |
1812 KB |
Output is correct |
| 25 |
Correct |
195 ms |
1784 KB |
Output is correct |
| 26 |
Correct |
193 ms |
1800 KB |
Output is correct |
| 27 |
Correct |
205 ms |
1796 KB |
Output is correct |
| 28 |
Correct |
176 ms |
1620 KB |
Output is correct |
| 29 |
Correct |
185 ms |
1876 KB |
Output is correct |
| 30 |
Correct |
196 ms |
1784 KB |
Output is correct |
| 31 |
Correct |
223 ms |
1420 KB |
Output is correct |
| 32 |
Correct |
278 ms |
1508 KB |
Output is correct |
