Submission details
Task:Subarray Sums II
Sender:Isak
Submission time:2025-11-24 16:17:15 +0200
Language:C++ (C++20)
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#20.00 sdetails
#30.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.18 sdetails
#60.04 sdetails
#70.07 sdetails
#8ACCEPTED0.10 sdetails
#90.03 sdetails
#100.03 sdetails
#110.03 sdetails
#120.05 sdetails
#130.04 sdetails
#140.03 sdetails
#150.04 sdetails
#160.00 sdetails
#170.00 sdetails
#180.04 sdetails
#190.04 sdetails
#200.03 sdetails
#210.04 sdetails
#220.04 sdetails
#230.04 sdetails
#24ACCEPTED0.00 sdetails
#25ACCEPTED0.12 sdetails
#26ACCEPTED0.12 sdetails
#270.11 sdetails
#280.04 sdetails

Code

#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <search.h>

#define LOOP(i,s,e) for (int64_t i = (s); i < (e); i++)
#define SCAN(...) if (scanf(__VA_ARGS__) == 0) return EXIT_FAILURE

int main() {
    int64_t n = 0;
    int64_t target;
    SCAN("%ld %ld", &n, &target);

    // main algo

    int64_t *tab = (int64_t *) malloc(n * sizeof(int64_t));
    int64_t *pref = (int64_t *) malloc(n * sizeof(int64_t));

    SCAN("%ld", tab);
    pref[0] = tab[0];
    LOOP(i, 1, n){
        SCAN("%ld", tab+i);
        pref[i] = pref[i-1] + tab[i];
    }


    (void) hcreate(n);

    // ajout de 0
    // printf("ajout %ld : %ld\n", -1, 0);
    int64_t *v = (int64_t*) malloc(sizeof(int64_t));
    char *key = (char*) malloc(10 * sizeof(char));
    memcpy(key, "0", 2);
    *v = 1;
    ENTRY e = {key, v};
    hsearch(e, ENTER);

    uint64_t acc = 0;
    LOOP(i, 0, n){
        int64_t val = pref[i] - target;
        // char *key = (char*) &val;
        char key[10];
        sprintf(key, "%ld", pref[i]);
        int64_t *v;
        ENTRY e = {key, NULL};
        ENTRY *pe = hsearch(e, FIND);
        if (pe == NULL){
            // printf("ajout %ld : %ld\n", i, pref[i]);
            v = (int64_t*) malloc(sizeof(int64_t));
            char *key = (char*) malloc(10 * sizeof(char));
            sprintf(key, "%ld", pref[i]);
            *v = 1;
            ENTRY e = {key, v};
            hsearch(e, ENTER);
        } else {
            // printf("increment %ld\n", i);
            (*(int64_t*)pe->data)++;
        }
        sprintf(key, "%ld", val);
        e = {key, NULL};
        pe = hsearch(e, FIND);
        // printf("search : %ld\n", val);
        if (pe != NULL){
            // printf("trouvé\n");
            acc += (*(int64_t*)pe->data);
        }
    }

    printf("%ld\n", acc);

    return EXIT_SUCCESS;
}

Test details

Test 1

Verdict: ACCEPTED

input
100 50
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
51

user output
51

Test 2

Verdict:

input
100 1000000000
1000000000 1000000000 10000000...

correct output
100

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 3

Verdict:

input
100 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

correct output
5050

user output
5150

Feedback: Incorrect character on line 1 col 2: expected "5050", got "5150"

Test 4

Verdict: ACCEPTED

input
100 4
2 1 -3 2 -7 7 -2 6 9 -4 10 -6 ...

correct output
53

user output
53

Test 5

Verdict: ACCEPTED

input
200000 100000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
100001

user output
100001

Test 6

Verdict:

input
200000 1000000000
1000000000 1000000000 10000000...

correct output
200000

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 7

Verdict:

input
200000 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

correct output
20000100000

user output
20000300000

Feedback: Incorrect character on line 1 col 6: expected "20000100000", got "20000300000"

Test 8

Verdict: ACCEPTED

input
200000 39
44 -62 -3 23 11 -68 42 69 -22 ...

correct output
903601

user output
903601

Test 9

Verdict:

input
131072 199999
199999 199999 199999 199999 19...

correct output
131072

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 10

Verdict:

input
131072 107897
107897 107897 107897 107897 10...

correct output
131072

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 11

Verdict:

input
131072 126271
126271 126271 126271 126271 12...

correct output
131072

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 12

Verdict:

input
200000 107897
107897 107897 107897 107897 10...

correct output
199999

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 13

Verdict:

input
200000 100000
1056323 1056323 1056323 105632...

correct output
0

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 14

Verdict:

input
200000 100000
2144977 2144977 2144977 214497...

correct output
0

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 15

Verdict:

input
200000 100000
65536 65536 65536 65536 65536 ...

correct output
0

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 16

Verdict:

input
5 0
0 0 0 0 0

correct output
15

user output
20

Feedback: Incorrect character on line 1 col 1: expected "15", got "20"

Test 17

Verdict:

input
20 536870912
268435456 268435456 268435456 ...

correct output
19

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 18

Verdict:

input
131072 136607
136607 136607 136607 136607 13...

correct output
131072

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 19

Verdict:

input
200000 562841
562841 562841 562841 562841 56...

correct output
200000

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 20

Verdict:

input
107897 107897
107897 107897 107897 107897 10...

correct output
107897

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 21

Verdict:

input
200000 202409
101204 101205 101204 101205 10...

correct output
199998

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 22

Verdict:

input
200000 202409
138630 138631 138630 138631 13...

correct output
0

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 23

Verdict:

input
200000 10273
410857 410857 410857 410857 41...

correct output
0

user output
(empty)

Error:
*** buffer overflow detected ***: terminated

Test 24

Verdict: ACCEPTED

input
5 2
1 -1 1 -1 2

correct output
3

user output
3

Test 25

Verdict: ACCEPTED

input
200000 1
1048577 -1048570 29 145 725 36...

correct output
104671

user output
104671

Test 26

Verdict: ACCEPTED

input
200000 1
1048577 -1048571 25 125 625 31...

correct output
104859

user output
104859

Test 27

Verdict:

input
200000 0
5334500 -3502392 3421268 -2064...

correct output
6341575890

user output
6341775890

Feedback: Incorrect character on line 1 col 5: expected "6341575890", got "6341775890"

Test 28

Verdict:

input
200000 0
172933 172933 172933 172933 17...

correct output
0

user output
(empty)

Error:
*** buffer overflow detected ***: terminated