Submission #134293

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
1342932019-07-22 11:16:45MilkiMatching (CEOI11_mat)C++14
63 / 100
2060 ms52932 KiB
#include<bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define REP(i, n) FOR(i, 0, n)
#define _ << " " <<
#define sz(x) ((int) x.size())
#define pb(x) push_back(x)
#define TRACE(x) cerr << #x << " = " << x << endl
typedef long long ll;
typedef pair<int, int> point;
const int mod = 1e9 + 7, baza = 1307, off = 1 << 20, MAXN = 1e6 + 5;
int add(int x, int y) {x += y; if(x >= mod) return x - mod; return x;}
int sub(int x, int y) {x -= y; if(x < 0) return x + mod; return x;}
int mul(int x, int y) {return (ll) x * y % mod;}
struct Tournament{
int t[2 * off];
Tournament(){ memset(t, 0, sizeof(t)); }
void update(int x, int lo, int hi, int a, int b, int val){
if(lo >= b || hi <= a) return;
if(lo >= a && hi <= b) { t[x] = val; return; }
int mid = (lo + hi) >> 1;
update(x * 2, lo, mid, a, b, val); update(x * 2 + 1, mid, hi, a, b, val);
t[x] = add(t[x * 2], t[x * 2 + 1]);
}
 
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