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QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#663894#8790. First BilliondaoqiWA 379ms3808kbC++20889b2024-10-21 18:13:262024-10-21 18:13:26

Judging History

你现在查看的是最新测评结果

  • [2024-10-21 18:13:26]
  • 评测
  • 测评结果:WA
  • 用时:379ms
  • 内存:3808kb
  • [2024-10-21 18:13:26]
  • 提交

answer

#include<bits/stdc++.h>

using i64 = long long;
using l64 = long double;

std::mt19937_64 rng(std::chrono::system_clock::now().time_since_epoch().count());

void DAOQI() {
    int n;
    std::cin >> n;
    std::vector<i64> a(n + 1), p(n + 1);
    for (int i = 1; i <= n; i++) {
        std::cin >> a[i];
        p[i] = i;
    }

    for (int i = 1; i <= 4000000; i++) {
        i64 sum = 0;
        for (int j = 1; j <= n / 2; j++) {
            sum += a[p[j]];
        }
        if (sum == 1e9) {
            std::cout << n / 2 << " ";
            for (int j = 1; j <= n / 2; j++) std::cout << p[j] << " ";
            return;
        }
        shuffle(p.begin() + 1, p.end(), rng);
    }
}

signed main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int T = 1;
    //std::cin >> T;
    while (T--) DAOQI();
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3604kb

input:

10
386413329 88494216 245947398 316438989 192751270 204627269 65749456 3938400 150458676 345180997

output:

5 1 6 5 7 9 

result:

ok OK (n = 10)

Test #2:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

10
119486233 299942886 169540407 349937991 597883752 32230162 140514533 57341098 12602102 220520836

output:

5 8 2 9 5 6 

result:

ok OK (n = 10)

Test #3:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

14
384615281 84612238 83310504 54746763 142296081 56775470 128760350 343006424 177232390 214368720 67220468 21895072 16352717 224807522

output:

7 12 13 9 10 7 6 1 

result:

ok OK (n = 14)

Test #4:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

14
270208635 14270307 89661499 113578022 47687195 101043954 38775146 208193324 650676076 351701957 3427619 59535626 24230888 27009752

output:

7 6 1 10 12 4 2 3 

result:

ok OK (n = 14)

Test #5:

score: 0
Accepted
time: 4ms
memory: 3796kb

input:

20
61638928 106712373 5946815 178135484 4937573 111395400 15504655 67139983 101814514 312223647 130341028 43244171 37671364 54108486 337181317 37924824 153793862 70383750 102917244 66984582

output:

10 5 14 8 12 11 4 13 10 9 18 

result:

ok OK (n = 20)

Test #6:

score: 0
Accepted
time: 3ms
memory: 3652kb

input:

20
67858098 61231428 99398662 1883806 82465954 303619377 87516412 154956240 94872199 76508350 13276828 136541811 203282099 99160366 127539385 13364660 141176136 39751629 67888657 127707903

output:

10 8 13 5 1 3 17 14 11 4 12 

result:

ok OK (n = 20)

Test #7:

score: 0
Accepted
time: 64ms
memory: 3576kb

input:

24
17125795 281143405 10375259 196293002 158174864 34520650 52919232 87393970 99085271 62281508 67168428 55174991 54533464 51393059 89276370 41441658 72793517 30466999 73758332 97064918 111541434 142047546 12934221 101092107

output:

12 2 7 1 14 24 11 9 6 8 16 12 21 

result:

ok OK (n = 24)

Test #8:

score: 0
Accepted
time: 34ms
memory: 3576kb

input:

24
70224368 148769600 36654748 23404220 15009825 57449487 46896672 6065662 10377031 133719710 23220853 184445684 8462667 88501546 155244839 229323557 140109402 52520271 78995771 75721556 87987586 118427778 107013825 101453342

output:

12 10 19 5 3 12 21 23 17 7 20 11 1 

result:

ok OK (n = 24)

Test #9:

score: -100
Wrong Answer
time: 379ms
memory: 3540kb

input:

28
122321206 60841271 22767116 183943582 6247754 32767541 19129802 21313874 144503909 59360441 12259051 19044256 50267333 25766572 133411289 32253746 102412217 46186594 55413161 39907615 52325783 86862071 185310732 138228874 22000146 149813853 98156445 77183766

output:


result:

wrong output format Unexpected end of file - int32 expected