oj.uz

Submission #533066

# Submission time Handle Problem Language Result Execution time Memory
533066 2022-03-04T15:53:55 Z qwerasdfzxcl Dungeon 3 (JOI21_ho_t5) C++14
11 / 100
 4000 ms 9096 KB 
#include <bits/stdc++.h>

typedef long long ll;
using namespace std;
int a[200200], b[200200];
ll S[200200], ans;
struct Seg{
    pair<int, int> tree[400400];
    int sz;
    void init(int n){
        sz = n;
        for (int i=sz;i<sz*2;i++) tree[i] = {b[i-sz], i-sz};
        for (int i=sz-1;i;i--) tree[i] = min(tree[i<<1], tree[i<<1|1]);
    }
    pair<int, int> query(int l, int r){
        pair<int, int> ret = {2e9, 0};
        for (l+=sz, r+=sz;l<r;l>>=1, r>>=1){
            if (l&1) ret = min(ret, tree[l++]);
            if (r&1) ret = min(ret, tree[--r]);
        }
        return ret;
    }
}tree;

void dnc(int s, int t, int u, int h){
    if (ans==-1) return;
    if (s>=t) return;

    auto p = tree.query(s, t);
    ll need = min(S[t-1] - S[p.second-1], (ll)u);
    ll cur = max(h - (S[p.second-1] - S[s-1]), 0LL);
    need = max(need, cur);

    if (a[p.second]>u) {ans = -1; return;}
    ans += (need-cur) * p.first;
    //printf(" %d %d %d %d: %lld %lld / %d %d\n", s, t, u, h, need, cur, p.first, p.second);

    dnc(s, p.second, u, h);
    dnc(p.second+1, t, u, need - a[p.second]);
}

int main(){
    int n, q;
    scanf("%d %d", &n, &q);
    for (int i=1;i<=n;i++) scanf("%d", a+i);
    for (int i=1;i<=n;i++) scanf("%d", b+i);

    for (int i=1;i<=n;i++) S[i] = S[i-1] + a[i];
    tree.init(n+1);

    while(q--){
        int s, t, u;
        scanf("%d %d %d", &s, &t, &u);
        ans = 0;
        dnc(s, t, u, 0);
        printf("%lld\n", ans);
    }
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |     scanf("%d %d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:45:33: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |     for (int i=1;i<=n;i++) scanf("%d", a+i);
      |                            ~~~~~^~~~~~~~~~~
Main.cpp:46:33: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |     for (int i=1;i<=n;i++) scanf("%d", b+i);
      |                            ~~~~~^~~~~~~~~~~
Main.cpp:53:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         scanf("%d %d %d", &s, &t, &u);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 3704 KB Output is correct
2 Correct 172 ms 3572 KB Output is correct
3 Correct 173 ms 3788 KB Output is correct
4 Correct 91 ms 3532 KB Output is correct
5 Correct 187 ms 3792 KB Output is correct
6 Correct 184 ms 3820 KB Output is correct
7 Correct 96 ms 3532 KB Output is correct
8 Correct 183 ms 3576 KB Output is correct
9 Correct 194 ms 3868 KB Output is correct
10 Correct 86 ms 3588 KB Output is correct
11 Correct 168 ms 3564 KB Output is correct
12 Correct 179 ms 4188 KB Output is correct
13 Correct 68 ms 3584 KB Output is correct
14 Correct 186 ms 3800 KB Output is correct
15 Correct 177 ms 3808 KB Output is correct
16 Correct 187 ms 3692 KB Output is correct
17 Correct 61 ms 3568 KB Output is correct
18 Correct 119 ms 3572 KB Output is correct
19 Correct 123 ms 3796 KB Output is correct
20 Correct 478 ms 3660 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4050 ms 8984 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4100 ms 9096 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 3704 KB Output is correct
2 Correct 172 ms 3572 KB Output is correct
3 Correct 173 ms 3788 KB Output is correct
4 Correct 91 ms 3532 KB Output is correct
5 Correct 187 ms 3792 KB Output is correct
6 Correct 184 ms 3820 KB Output is correct
7 Correct 96 ms 3532 KB Output is correct
8 Correct 183 ms 3576 KB Output is correct
9 Correct 194 ms 3868 KB Output is correct
10 Correct 86 ms 3588 KB Output is correct
11 Correct 168 ms 3564 KB Output is correct
12 Correct 179 ms 4188 KB Output is correct
13 Correct 68 ms 3584 KB Output is correct
14 Correct 186 ms 3800 KB Output is correct
15 Correct 177 ms 3808 KB Output is correct
16 Correct 187 ms 3692 KB Output is correct
17 Correct 61 ms 3568 KB Output is correct
18 Correct 119 ms 3572 KB Output is correct
19 Correct 123 ms 3796 KB Output is correct
20 Correct 478 ms 3660 KB Output is correct
21 Execution timed out 4050 ms 8984 KB Time limit exceeded
22 Halted 0 ms 0 KB -