oj.uz

Submission #152423

# Submission time Handle Problem Language Result Execution time Memory
152423 2019-09-08T01:54:49 Z arnold518 Sushi (JOI16_sushi) C++14
5 / 100
 264 ms 4600 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 = 400000;
const int MAXQ = 25000;

int N, Q, A[MAXN+10], SQ;
priority_queue<int> PQ1[400];
priority_queue<int, vector<int>, greater<int>> PQ2[400];

int solve(int S, int T, int P)
{
    int i, j;
    if(S/SQ==T/SQ)
    {
        int l=max(1, S/SQ*SQ), r=min(N, S/SQ*SQ+SQ-1);
        for(i=l; i<=r; i++)
        {
            PQ2[S/SQ].push(A[i]);
            A[i]=PQ2[S/SQ].top(); PQ2[S/SQ].pop();
        }
        while(!PQ2[S/SQ].empty()) PQ2[S/SQ].pop();
        while(!PQ1[S/SQ].empty()) PQ1[S/SQ].pop();
        for(i=S; i<=T; i++) if(P<A[i]) swap(A[i], P);
        for(i=l; i<=r; i++) PQ1[S/SQ].push(A[i]);
    }
    else
    {
        int l, r;
        l=max(1, S/SQ*SQ), r=min(N, S/SQ*SQ+SQ-1);
        for(i=l; i<=r; i++)
        {
            PQ2[S/SQ].push(A[i]);
            A[i]=PQ2[S/SQ].top(); PQ2[S/SQ].pop();
        }
        while(!PQ2[S/SQ].empty()) PQ2[S/SQ].pop();
        while(!PQ1[S/SQ].empty()) PQ1[S/SQ].pop();
        for(i=S; i<=r; i++) if(P<A[i]) swap(A[i], P);
        for(i=l; i<=r; i++) PQ1[S/SQ].push(A[i]);

        for(i=S/SQ+1; i<T/SQ; i++)
        {
            PQ1[i].push(P);
            PQ2[i].push(P);
            P=PQ1[i].top();
            PQ1[i].pop();
        }

        l=max(1, T/SQ*SQ), r=min(N, T/SQ*SQ+SQ-1);
        for(i=l; i<=r; i++)
        {
            PQ2[T/SQ].push(A[i]);
            A[i]=PQ2[T/SQ].top(); PQ2[T/SQ].pop();
        }
        while(!PQ2[T/SQ].empty()) PQ2[T/SQ].pop();
        while(!PQ1[T/SQ].empty()) PQ1[T/SQ].pop();
        for(i=l; i<=T; i++) if(P<A[i]) swap(A[i], P);
        for(i=l; i<=r; i++) PQ1[T/SQ].push(A[i]);
    }
    return P;
}

int main()
{
    int i, j;

    scanf("%d%d", &N, &Q);
    SQ=300;

    priority_queue<int> PQ;
    for(i=1; i<=N; i++)
    {
        scanf("%d", &A[i]);
        PQ1[i/SQ].push(A[i]);
    }

    while(Q--)
    {
        int S, T, P;
        scanf("%d%d%d", &S, &T, &P);
        if(S<=T) printf("%d\n", solve(S, T, P));
        else
        {
            P=solve(S, N, P);
            printf("%d\n", solve(1, T, P));
        }
/*
        for(i=0; i<=N/SQ; i++)
        {
            printf("bucket : %d\n", i);
            vector<int> V;
            printf("PQ1 : ");
            while(!PQ1[i].empty()) printf("%d ", PQ1[i].top()), V.push_back(PQ1[i].top()), PQ1[i].pop(); printf("\n");
            while(!V.empty()) PQ1[i].push(V.back()), V.pop_back();
            printf("PQ2 : ");
            while(!PQ2[i].empty()) printf("%d ", PQ2[i].top()), V.push_back(PQ2[i].top()), PQ2[i].pop(); printf("\n");
            while(!V.empty()) PQ2[i].push(V.back()), V.pop_back();
        }
        for(i=1; i<=N; i++) printf("%d ", A[i]); printf("\n");
        printf("============\n");
*/
    }
}

Compilation message

sushi.cpp: In function 'int solve(int, int, int)':
sushi.cpp:17:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
sushi.cpp: In function 'int main()':
sushi.cpp:69:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
sushi.cpp:71:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &Q);
     ~~~~~^~~~~~~~~~~~~~~~
sushi.cpp:77:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &A[i]);
         ~~~~~^~~~~~~~~~~~~
sushi.cpp:84:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &S, &T, &P);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 212 ms 376 KB Output is correct
2 Correct 209 ms 524 KB Output is correct
3 Correct 211 ms 476 KB Output is correct
4 Correct 203 ms 680 KB Output is correct
5 Correct 202 ms 492 KB Output is correct
6 Correct 207 ms 604 KB Output is correct
7 Correct 135 ms 448 KB Output is correct
8 Correct 137 ms 376 KB Output is correct
9 Correct 205 ms 504 KB Output is correct
10 Correct 201 ms 632 KB Output is correct
11 Correct 202 ms 492 KB Output is correct
12 Correct 204 ms 504 KB Output is correct
13 Correct 211 ms 504 KB Output is correct
14 Correct 264 ms 508 KB Output is correct
15 Correct 262 ms 496 KB Output is correct
16 Correct 79 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 34 ms 4600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 212 ms 376 KB Output is correct
2 Correct 209 ms 524 KB Output is correct
3 Correct 211 ms 476 KB Output is correct
4 Correct 203 ms 680 KB Output is correct
5 Correct 202 ms 492 KB Output is correct
6 Correct 207 ms 604 KB Output is correct
7 Correct 135 ms 448 KB Output is correct
8 Correct 137 ms 376 KB Output is correct
9 Correct 205 ms 504 KB Output is correct
10 Correct 201 ms 632 KB Output is correct
11 Correct 202 ms 492 KB Output is correct
12 Correct 204 ms 504 KB Output is correct
13 Correct 211 ms 504 KB Output is correct
14 Correct 264 ms 508 KB Output is correct
15 Correct 262 ms 496 KB Output is correct
16 Correct 79 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Runtime error 34 ms 4600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
24 Halted 0 ms 0 KB -