#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?????
bool done[maxn];
ll dst[maxn];
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));
memset(dst, 0x3f, sizeof dst);
int n = SZ(v);
for (rect &R : v) {
if (isbeg[R.i]) {
dst[R.i] = R.c;
}
}
ll re = inf;
REP(round, SZ(v)) {
int go = -1, mnd = inf;
REP(i,n) {
if (!done[i] && dst[i] < mnd) {
mnd = dst[i]; go = i;
}
}
if (go == -1) break;
done[go] = 1;
if (isend[go]) {
MN(re, mnd);
}
REP(j,n) {
if (!done[j]) {
// test if i can update him
if (v[go].x + v[go].r + 1 >= v[j].x &&
v[go].y + v[go].r + 1 >= v[j].y
) {
MN(dst[j], dst[go] + v[j].c);
}
}
}
}
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;
}
/*
10 5
1 8 10 30
1 1 6 50
2 7 7 100
3 5 7 11
2 8 8 11
7 6 10 4
4 1 3 1
*/
Compilation message
treatment.cpp: In function 'long long int get(std::vector<rect>)':
treatment.cpp:47:16: warning: unused variable 'R' [-Wunused-variable]
47 | for (rect &R : v) {
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3072 ms |
10924 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2632 KB |
Output is correct |
6 |
Correct |
2 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2644 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2632 KB |
Output is correct |
10 |
Correct |
2 ms |
2644 KB |
Output is correct |
11 |
Correct |
1 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2676 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
1 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2632 KB |
Output is correct |
6 |
Correct |
2 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2644 KB |
Output is correct |
8 |
Correct |
1 ms |
2644 KB |
Output is correct |
9 |
Correct |
2 ms |
2632 KB |
Output is correct |
10 |
Correct |
2 ms |
2644 KB |
Output is correct |
11 |
Correct |
1 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2676 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
1 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
161 ms |
3340 KB |
Output is correct |
21 |
Correct |
161 ms |
3324 KB |
Output is correct |
22 |
Correct |
174 ms |
3344 KB |
Output is correct |
23 |
Correct |
117 ms |
3340 KB |
Output is correct |
24 |
Correct |
182 ms |
3404 KB |
Output is correct |
25 |
Correct |
80 ms |
3312 KB |
Output is correct |
26 |
Correct |
48 ms |
3344 KB |
Output is correct |
27 |
Correct |
44 ms |
3312 KB |
Output is correct |
28 |
Correct |
180 ms |
3404 KB |
Output is correct |
29 |
Correct |
62 ms |
3344 KB |
Output is correct |
30 |
Correct |
6 ms |
3344 KB |
Output is correct |
31 |
Correct |
4 ms |
3344 KB |
Output is correct |
32 |
Correct |
193 ms |
3412 KB |
Output is correct |
33 |
Correct |
159 ms |
3396 KB |
Output is correct |
34 |
Correct |
141 ms |
3344 KB |
Output is correct |
35 |
Correct |
186 ms |
3372 KB |
Output is correct |
36 |
Correct |
163 ms |
3344 KB |
Output is correct |
37 |
Correct |
135 ms |
3360 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3072 ms |
10924 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |