oj.uz

Submission #1090013

# Submission time Handle Problem Language Result Execution time Memory
1090013 2024-09-17T14:21:31 Z phong Treatment Project (JOI20_treatment) C++17
0 / 100
 1 ms 600 KB 
#include<bits/stdc++.h>
#define ll long long
#define int long long
const int nmax = 1e3 + 5, M = 3e6 + 5;
const ll oo = 1e18 + 5, base = 311;
const int lg = 62, tx = 26;
const ll mod = 1e9 + 7, mod2 = 1e9+3;
#define pii pair<ll, ll>
#define fi first
#define se second
#define endl "\n"
#define debug(a, n) for(int i = 1; i <= n; ++i) cout << a[i] << ' '; cout << "\n";
#define NAME code
using namespace std;

int n, m;
struct node{
    int t, l, r, c;
}a[nmax];
ll dp[nmax];
main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
//    freopen("code.inp", "r", stdin);
//    freopen("code.out", "w", stdout);
    cin >> n >> m;
    for(int i = 1; i <= m; ++i) cin >> a[i].t >> a[i].l >> a[i].r >> a[i].c;
    sort(a + 1, a + 1 + m, [](node a, node b){
        if(a.l == b.l) return a.r < b.r;
         return a.l < b.l;
         });
    for(int i = 1; i <= m; ++i){
        if(a[i].l == 1)dp[i] = a[i].c;
        else dp[i] = oo;
    }
    for(int i = 1; i <= m; ++i){
        for(int j = 1; j < i; ++j){
            if(a[j].r - a[i].l + 1 >= abs(a[j].t - a[i].t)){
                dp[i] = min(dp[i], dp[j] + a[i].c);
            }
        }
    }
    int ans = oo;
    for(int i = 1; i <= m; ++i){
        if(a[i].r == n) ans = min(ans, dp[i]);
    }
//    cout << dp[3] << ' ';
    if(ans == oo) cout << -1;
    else cout << ans;
}
/*
10 5
1 1 3 1
1 1 6 5
1 4 8 3
1 5 10 4
1 6 10 3
*/

Compilation message

treatment.cpp:21:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main(){
      | ^~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 600 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 600 KB Output isn't correct
2 Halted 0 ms 0 KB -