oj.uz

Submission #171868

# Submission time Handle Problem Language Result Execution time Memory
171868 2019-12-30T14:12:27 Z arnold518 Worst Reporter 3 (JOI18_worst_reporter3) C++14
100 / 100
 606 ms 39008 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 5e5;

struct Query
{
    ll t, l, r;
};

int N, Q;
ll D[MAXN+10];
Query A[MAXN+10];
int ans[MAXN+10];

int main()
{
    int i, j;

    scanf("%d%d", &N, &Q);

    D[0]=1;
    for(i=1; i<=N; i++) scanf("%lld", &D[i]);
    for(i=1; i<=N; i++) D[i]=(D[i]+D[i-1]-1)/D[i-1]*D[i-1];
    for(i=1; i<=Q; i++) scanf("%lld%lld%lld", &A[i].t, &A[i].l, &A[i].r);

    vector<ll> V;
    for(i=0; i<=N; i++) V.push_back(D[i]);
    V.erase(unique(V.begin(), V.end()), V.end());

    for(auto it : V)
    {
        ll s, e;
        e=lower_bound(D, D+N+1, it)-D;
        s=upper_bound(D, D+N+1, it)-D-1;
        s*=-1; e*=-1;

        for(i=1; i<=Q; i++)
        {
            ll ss=s+A[i].t/it*it;
            ll ee=e+A[i].t/it*it;

            ans[i]+=max(0ll, min(ee, A[i].r)-max(ss, A[i].l)+1);
        }
    }

    for(i=1; i<=Q; i++) printf("%d\n", ans[i]);
}

Compilation message

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:22:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
worst_reporter3.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &Q);
     ~~~~~^~~~~~~~~~~~~~~~
worst_reporter3.cpp:27:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=N; i++) scanf("%lld", &D[i]);
                         ~~~~~^~~~~~~~~~~~~~~
worst_reporter3.cpp:29:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1; i<=Q; i++) scanf("%lld%lld%lld", &A[i].t, &A[i].l, &A[i].r);
                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 385 ms 38784 KB Output is correct
2 Correct 384 ms 37856 KB Output is correct
3 Correct 385 ms 37948 KB Output is correct
4 Correct 384 ms 37860 KB Output is correct
5 Correct 398 ms 37852 KB Output is correct
6 Correct 385 ms 37852 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 380 KB Output is correct
6 Correct 3 ms 376 KB Output is correct

Subtask #3
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 385 ms 38784 KB Output is correct
2 Correct 384 ms 37856 KB Output is correct
3 Correct 385 ms 37948 KB Output is correct
4 Correct 384 ms 37860 KB Output is correct
5 Correct 398 ms 37852 KB Output is correct
6 Correct 385 ms 37852 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 380 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 425 ms 34616 KB Output is correct
14 Correct 427 ms 34140 KB Output is correct
15 Correct 405 ms 37184 KB Output is correct
16 Correct 411 ms 35404 KB Output is correct
17 Correct 571 ms 36316 KB Output is correct
18 Correct 567 ms 36012 KB Output is correct
19 Correct 580 ms 36060 KB Output is correct
20 Correct 572 ms 35996 KB Output is correct
21 Correct 564 ms 36032 KB Output is correct
22 Correct 565 ms 36076 KB Output is correct
23 Correct 564 ms 36060 KB Output is correct
24 Correct 584 ms 36536 KB Output is correct
25 Correct 401 ms 38868 KB Output is correct
26 Correct 395 ms 38680 KB Output is correct
27 Correct 566 ms 37144 KB Output is correct
28 Correct 601 ms 36700 KB Output is correct
29 Correct 593 ms 36700 KB Output is correct
30 Correct 602 ms 36920 KB Output is correct
31 Correct 606 ms 37100 KB Output is correct
32 Correct 376 ms 39008 KB Output is correct
33 Correct 2 ms 376 KB Output is correct