oj.uz

Submission #233748

# Submission time Handle Problem Language Result Execution time Memory
233748 2020-05-21T16:11:49 Z duality Fire (JOI20_ho_t5) C++11
8 / 100
 1000 ms 15096 KB 
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;

int S[200000];
LLI pre[200001];
struct query { int T,L,R,i; };
bool comp(query a,query b) {
    return a.T < b.T;
}
query queries[200000];
LLI ans[200000];
int main() {
    int i;
    int N,Q,T,L,R;
    scanf("%d %d",&N,&Q);
    for (i = 0; i < N; i++) scanf("%d",&S[i]);
    for (i = 0; i < Q; i++) {
        scanf("%d %d %d",&T,&L,&R);
        queries[i] = (query){T+1,L-1,R-1,i};
    }
    sort(queries,queries+Q,comp);

    int j,c = 1;
    for (i = 0; i < Q; i++) {
        while (queries[i].T >= 2*c) {
            for (j = N-1; j >= c; j--) S[j] = max(S[j],S[j-c]);
            for (j = 0; j < N; j++) pre[j+1] = pre[j]+S[j];
            c *= 2;
        }
        LLI a = 0;
        int d = queries[i].T-c;
        //if (d > queries[i].L) a += pre[d]-pre[queries[i].L];
        int e = max(d,queries[i].L);
        for (j = queries[i].R; j >= queries[i].L; j--) {
            a += max(S[j],(j >= d) ? S[j-d]:0);
        }
        ans[queries[i].i] = a;
    }
    for (i = 0; i < Q; i++) printf("%lld\n",ans[i]);

    return 0;
}

Compilation message

ho_t5.cpp: In function 'int main()':
ho_t5.cpp:39:13: warning: unused variable 'e' [-Wunused-variable]
         int e = max(d,queries[i].L);
             ^
ho_t5.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&Q);
     ~~~~~^~~~~~~~~~~~~~~
ho_t5.cpp:22:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < N; i++) scanf("%d",&S[i]);
                             ~~~~~^~~~~~~~~~~~
ho_t5.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d",&T,&L,&R);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Execution timed out 1088 ms 6008 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 179 ms 9312 KB Output is correct
3 Correct 182 ms 14584 KB Output is correct
4 Correct 187 ms 14968 KB Output is correct
5 Correct 172 ms 14584 KB Output is correct
6 Correct 176 ms 14712 KB Output is correct
7 Correct 179 ms 14712 KB Output is correct
8 Correct 190 ms 15096 KB Output is correct
9 Correct 183 ms 14716 KB Output is correct
10 Correct 172 ms 14456 KB Output is correct
11 Correct 176 ms 15012 KB Output is correct
12 Correct 174 ms 14584 KB Output is correct
13 Correct 185 ms 15084 KB Output is correct
14 Correct 171 ms 14712 KB Output is correct
15 Correct 174 ms 14840 KB Output is correct
16 Correct 179 ms 14584 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1095 ms 7160 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Execution timed out 1092 ms 12920 KB Time limit exceeded
34 Halted 0 ms 0 KB -