Submission #106121

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
1061212019-04-16 16:19:28Noam527Alternating Current (BOI18_alternating)C++17
55 / 100
9 ms5248 KiB
#include <bits/stdc++.h>
#define CHECK cout << "ok" << endl
#define finish(x) return cout << x << endl, 0
typedef long long ll;
typedef long double ldb;
const int md = 1e9 + 7;
const ll inf = 1e18;
const int OO = 0;
const int OOO = 1;
using namespace std;
struct edge {
int to, i;
edge(int tt = 0, int ii = 0) : to(tt), i(ii) {}
};
int n, m;
int C[100005] = {};
int dp[200005], to[200005];
int range[200005] = {};
vector<edge> g[200005];
vector<int> vis;
vector<int> path;
string ans;
void add(int l, int r) {
C[l]++;
C[r + 1]--;
 
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