#include <bits/stdc++.h>
using namespace std;
#define int ll
#define ll long long
#define pii pair<ll, ll>
#define f first
#define s second
#define SZ(x) (int)((x).size())
#define ALL(x) (x).begin(), (x).end()
#define pb push_back
#define MX(a,b) a = max(a,b)
#define MN(a,b) a = min(a,b)
#define FOR(i,a,b) for (int i = a; i<b; ++i)
#define REP(i,n) for (int i = 0; i<n; ++i)
#define REP1(i,n) for (int i = 1; i<=n; ++i)
#ifdef BALBIT
#define bug(...) cerr<<"#"<<__LINE__<<"- "<<#__VA_ARGS__<<": ", _do(__VA_ARGS__)
template<typename T> void _do(T && x){cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S && ...y){cerr<<x<<", "; _do(y...);}
#else
#define bug(...)
#define endl '\n'
#endif // BALBIT
const int maxn = 3e5+5;
const int mod = 1e9+7;
const ll inf = 0x3f3f3f3f3f3f3f3f;
struct rect{
int x,y,r,c,i;
bool operator < (rect &R) {
if (y != R.y) return y < R.y;
return x < R.x;
}
};
bool isbeg[maxn], isend[maxn]; // for each rectangle, is it the beg or end?????
ll get(vector<rect> v) {
// for (rect &R : v) {
// bug(R.x,R.y,R.r,R.c,R.i);
// bug(isbeg[R.i]);
// bug(isend[R.i]);
// }
sort(ALL(v));
vector<ll> dp(SZ(v), inf);
ll re = inf;
REP(i, SZ(v)) {
if (isbeg[v[i].i]) {
dp[i] = v[i].c;
}
else REP(j,i) {
if (v[j].y + v[j].r + 1 >= v[i].y &&
v[j].x + v[j].r + 1 >= v[i].x
) {
MN(dp[i], dp[j] + v[i].c);
}
}
if (isend[v[i].i]) {
MN(re, dp[i]);
}
}
if (re == inf) re = -1;
return re;
}
signed main(){
ios::sync_with_stdio(0), cin.tie(0);
bug(1,2);
vector<rect> go;
int n,m; cin>>n>>m;
REP(i,m) {
int t,l,r,c; cin>>t>>l>>r>>c;
--l; --r;
isbeg[i] = l == 0;
isend[i] = r == n-1;
go.pb({l+t, l-t,r-l,c,i});
}
ll re =get(go);
cout<<re<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3075 ms |
9132 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3075 ms |
9132 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |