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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#878034#8302. Incoming AsteroidsDecember456WA 134ms117932kbC++142.5kb2025-02-01 13:11:022025-02-01 13:11:11

Judging History

This is the latest submission verdict.

  • [2025-02-01 13:11:11]
  • Judged
  • Verdict: WA
  • Time: 134ms
  • Memory: 117932kb
  • [2025-02-01 13:11:02]
  • Submitted

answer

#include <algorithm>
#include <cstdio>
#include <vector>

constexpr int MAXN = 200000 + 2;
constexpr int MAXK = 3;
constexpr int MAXLOGN = 20 + 2;

class Observatory {
  public:
    int b, cnt, warnId[MAXK];
    long long lim;
} ob[MAXN];

long long a[MAXN];

std::vector<int> ans, vec[MAXN][MAXLOGN];

int f(int x, int b) {
    return ((x >> b) + 1) << b;
}

void insert(int x) {
    for (int i = 0; i < ob[x].cnt; i ++) {
        vec[ob[x].warnId[i]][ob[x].b].push_back(x);
    }
}

bool valid(int x) {
    long long sum = 0;

    for (int i = 0; i < ob[x].cnt; i ++) {
        sum += f(a[ob[x].warnId[i]], ob[x].b) - 1;
    }

    return sum < ob[x].lim;
}

bool update(int x) {
    bool fl = false;

    while (ob[x].b >= 0 && !valid(x)) {
        ob[x].b --;
        fl = true;
    }

    if (ob[x].b < 0) {
        return ans.push_back(x), false;
    }
    if (!fl) {
        return true;
    }
    return fl ? insert(x), false : true;
}

int main() {
    int n, m;
    scanf("%d%d", &n, &m);

    while (m --) {
        static int last = 0, id = 0;

        int op;
        scanf("%d", &op);

        if (op == 1) {
            id ++;

            scanf("%lld%d", &ob[id].lim, &ob[id].cnt);

            int *seq = ob[id].warnId;

            ob[id].lim ^= last;
            ob[id].b = MAXLOGN;

            for (int i = 0; i < ob[id].cnt; i ++) {
                scanf("%d", &seq[i]);

                ob[id].lim += a[seq[i] ^= last];
            }

            while (!valid(id)) {
                ob[id].b --;
            }

            insert(id);
        } else {
            int x, y;
            scanf("%d%d", &x, &y);

            a[x ^= last] += y ^= last;

            ans.clear();

            for (int b = 0; b < MAXLOGN; b ++) {
                if (!vec[x][b].size() ||
                  a[x] < f(a[x] - y, b)) {
                    continue;
                }

                std::vector<int> tmp;

                for (int id : vec[x][b]) {
                    if (ob[id].b == b && update(id)) {
                        tmp.push_back(id);
                    }
                }

                vec[x][b] = tmp;
            }

            std::sort(ans.begin(), ans.end());

            printf("%d", last = ans.size());

            for (int x : ans) {
                printf(" %d", x);
            }

            putchar('\n');
        }
    }

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 14ms
memory: 109704kb

input:

3 5
1 5 3 1 2 3
2 2 1
1 2 2 1 2
2 3 1
2 1 3

output:

0
0
2 1 2

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 114ms
memory: 117592kb

input:

200000 200000
1 421386 1 122023
2 127573 97972
1 489180 1 197930
2 82505 59100
1 502097 3 91617 14193 139642
2 132931 74031
1 404862 1 36227
2 152826 8462
1 750072 2 51616 75416
2 1547 11479
1 255849 2 70036 41620
2 126414 17120
1 626334 3 97273 190595 174083
2 148803 132
1 407236 2 83898 5103
2 169...

output:

0
0
0
0
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...

result:

ok 100000 lines

Test #3:

score: 0
Accepted
time: 111ms
memory: 117932kb

input:

200000 200000
1 312309 2 171927 138033
2 68663 9986
1 409422 3 107618 121948 134622
2 10082 2963
1 555050 1 90783
2 72655 3281
1 933143 3 156038 38059 61251
2 123654 4789
1 491632 2 22976 168618
2 156647 7902
1 389305 3 132923 162027 1538
2 123738 4011
1 362971 3 94150 50751 80442
2 52203 8937
1 205...

output:

0
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...

result:

ok 100000 lines

Test #4:

score: 0
Accepted
time: 121ms
memory: 117684kb

input:

200000 200000
1 142543 1 115092
2 171364 77800
1 175929 3 183076 20412 144389
2 44523 136842
1 342332 3 155151 4240 89238
2 111001 39417
1 133140 2 69162 186231
2 170481 10806
1 680994 2 138407 7106
2 170161 198340
1 772506 1 109120
2 24352 199102
1 901774 2 114997 161429
2 74138 125234
1 757250 1 1...

output:

0
0
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...

result:

ok 100000 lines

Test #5:

score: 0
Accepted
time: 124ms
memory: 116772kb

input:

20000 200000
1 678769 3 4395 16744 14145
2 8935 15738
1 432048 3 9768 6009 16504
2 12630 12968
1 397741 3 223 1836 378
2 257 18108
1 850814 3 4564 13454 7781
2 2124 13159
1 252004 3 15683 16496 18755
2 5458 25974
1 433880 3 5518 9833 9661
2 1925 405
1 892145 3 15731 16871 19282
2 17132 17115
1 81156...

output:

0
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...

result:

ok 100000 lines

Test #6:

score: 0
Accepted
time: 134ms
memory: 116256kb

input:

4000 200000
1 302161 3 2309 1618 194
2 3316 19207
1 878861 3 2986 2907 146
2 3099 26347
1 932183 3 648 3750 1939
2 29 23023
1 327262 3 2959 548 986
2 3356 22562
1 542484 3 490 465 3590
2 3121 1669
1 246973 3 1328 3985 605
2 75 1839
1 392188 3 658 2867 1928
2 800 29554
1 315643 3 157 2426 331
2 600 1...

output:

0
0
0
0
0
0
0
0
0
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...

result:

ok 100000 lines

Test #7:

score: -100
Wrong Answer
time: 122ms
memory: 113936kb

input:

200 200000
1 44130 3 22 167 30
2 107 8878
1 391579 3 107 68 58
2 179 166
1 797413 3 85 145 186
2 128 18222
1 588792 3 78 104 10
2 168 5761
1 720090 3 33 198 62
2 26 16475
1 342624 3 49 94 153
2 34 4317
1 410548 3 197 166 55
2 124 8507
1 985428 3 1 158 126
2 174 14078
1 32984 3 112 126 55
2 59 15762
...

output:

0
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1 105
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...

result:

wrong answer 50341st lines differ - expected: '3 47760 48391 48501', found: '2 47760 48501'