| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 476580 | 2021-09-27T17:22:34 Z | vbee | 육각형 영역 (APIO21_hexagon) | C++14 | 0 ms | 0 KB |
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define ii pair<int,int>
#define vii vector<ii>
#define vi vector<int>
#define fi first
#define se second
#define TASK "hexagon"
#define ll long long
#define pll pair<ll, ll>
#define vll vector<ll>
#define vpll vector<pll>
#define pb push_back
#define MASK(i) (1 << (i))
#define BIT(x, i) ((x >> (i)) & 1)
using namespace std;
const int oo = 1e9 + 7;
const ll loo = (ll)1e18 + 7;
const int N = 200007;
int n, curx, cury;
vll row[N];
void solve(int x, int l){
for (int i = 1; i <= l; i++){
if (x == 1){
curx--;
cury++;
}
else if (x == 2){
cury++;
}
else if (x == 3){
curx++;
}
else if (x == 4){
curx++;
cury--;
}
else if (x == 5){
cury--;
}
else if (x == 6){
curx--;
}
row[curx].pb(cury);
}
}
void sub1(){
ll l[4];
for (int i = 1; i <= n; i++){
ll x; cin >> x >> l[i];
}
if (l[2] == l[1]){
cout << ((l[1] + 2) * (l[1] + 1) / 2) % oo;
} else if (l[2] == 2 * l[1]){
cout << 1LL * (l[1] + 1) * (l[1] + 1) % oo;
}
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
// freopen(TASK".inp", "r", stdin);
// freopen(TASK".out", "w", stdout);
cin >> n;
if (n == 3){
sub1();
return 0;
}
curx = 10000, cury = 10000;
row[10000].pb(cury);
for (int i = 1; i <= n; i++){
int x, l; cin >> x >> l;
solve(x, l);
}
ll res = 0;
for (int i = 0; i < N; i++) if (row[i].size()){
sort(all(row[i]));
res = (res + row[i].back() - *row[i].begin() + 1) % oo;;
}
cout << res;
return 0;
}