oj.uz

Submission #411199

# Submission time Handle Problem Language Result Execution time Memory
411199 2021-05-24T16:24:32 Z cpp219 Pinball (JOI14_pinball) C++14
11 / 100
 10 ms 13132 KB 
#pragma GCC optimization "O2"
#pragma GCC optimization "unroll-loop"
#pragma GCC target ("avx2")

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define fs first
#define sc second
using namespace std;
const ll N = 1e5 + 9;
const ll Log2 = 20;
const ll inf = 1e16 + 7;
typedef pair<ll,ll> LL;

struct Seg{
    ll L,R,to,val;
};
Seg a[N];
ll m,n,L,R,to,val,st[2][4*N],ans = inf;

void upd(ll cond,ll id,ll l,ll r,ll u,ll val){
    if (u < l||r < u) return;
    if (l == r){
        st[cond][id] = min(st[cond][id],val); return;
    }
    ll mid = (l + r)/2;
    upd(cond,id*2,l,mid,u,val); upd(cond,id*2 + 1,mid + 1,r,u,val);
    st[cond][id] = min(st[cond][id*2],st[cond][id*2 + 1]);
}

ll Get(ll cond,ll id,ll l,ll r,ll u,ll v){
    if (v < l||r < u) return inf;
    if (u <= l&&r <= v) return st[cond][id];
    ll mid = (l + r)/2;
    return min(Get(cond,id*2,l,mid,u,v),Get(cond,id*2 + 1,mid + 1,r,u,v));
}

/// 0 for L    1 for R

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    #define task "tst"
    if (fopen(task".inp", "r")){
        freopen(task".inp", "r", stdin);
        //freopen(task".out", "w", stdout);
    }
    for (ll i = 1;i < 4*N;i++) st[0][i] = st[1][i] = inf;
    cin>>m>>n;
    for (ll i = 1;i <= m;i++){
        cin>>L>>R>>to>>val;
        ll v1 = Get(0,1,1,n,L,R),v2 = Get(1,1,1,n,L,R);
        if (L == 1) v1 = 0;
        if (R == n) v2 = 0;
        ans = min(ans,v1 + v2 + val);
        upd(0,1,1,n,to,v1 + val); upd(1,1,1,n,to,v2 + val);
    }
    if (ans != inf) cout<<ans;
    else cout<<-1;
}

Compilation message

pinball.cpp:1: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    1 | #pragma GCC optimization "O2"
      | 
pinball.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      | 
pinball.cpp: In function 'int main()':
pinball.cpp:46:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6544 KB Output is correct
2 Correct 4 ms 6556 KB Output is correct
3 Correct 4 ms 6476 KB Output is correct
4 Correct 5 ms 6524 KB Output is correct
5 Correct 4 ms 6476 KB Output is correct
6 Correct 4 ms 6476 KB Output is correct
7 Correct 4 ms 6476 KB Output is correct
8 Correct 4 ms 6584 KB Output is correct

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6544 KB Output is correct
2 Correct 4 ms 6556 KB Output is correct
3 Correct 4 ms 6476 KB Output is correct
4 Correct 5 ms 6524 KB Output is correct
5 Correct 4 ms 6476 KB Output is correct
6 Correct 4 ms 6476 KB Output is correct
7 Correct 4 ms 6476 KB Output is correct
8 Correct 4 ms 6584 KB Output is correct
9 Runtime error 10 ms 13132 KB Execution killed with signal 11
10 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6544 KB Output is correct
2 Correct 4 ms 6556 KB Output is correct
3 Correct 4 ms 6476 KB Output is correct
4 Correct 5 ms 6524 KB Output is correct
5 Correct 4 ms 6476 KB Output is correct
6 Correct 4 ms 6476 KB Output is correct
7 Correct 4 ms 6476 KB Output is correct
8 Correct 4 ms 6584 KB Output is correct
9 Runtime error 10 ms 13132 KB Execution killed with signal 11
10 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6544 KB Output is correct
2 Correct 4 ms 6556 KB Output is correct
3 Correct 4 ms 6476 KB Output is correct
4 Correct 5 ms 6524 KB Output is correct
5 Correct 4 ms 6476 KB Output is correct
6 Correct 4 ms 6476 KB Output is correct
7 Correct 4 ms 6476 KB Output is correct
8 Correct 4 ms 6584 KB Output is correct
9 Runtime error 10 ms 13132 KB Execution killed with signal 11
10 Halted 0 ms 0 KB -