QOJ.ac
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 |
|---|---|---|---|---|---|---|---|---|---|
| #465383 | #8682. Waterworld | james1BadCreeper | AC ✓ | 121ms | 3908kb | C++17 | 357b | 2024-07-06 20:32:47 | 2024-07-06 20:32:48 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int n, m;
int main(void) {
double sum = 0;
cin >> n >> m;
for (int i = 1; i <= n; ++i)
for (int j = 1; j <= m; ++j) {
int x; cin >> x;
sum = (sum + 1.0 * x / n / m);
}
cout << fixed << setprecision(8) << sum << "\n";
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3764kb
input:
2 2 41 65 31 41
output:
44.50000000
result:
ok found '44.5000000', expected '44.5000000', error '0.0000000'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
2 3 41 65 31 41 19 15
output:
35.33333333
result:
ok found '35.3333333', expected '35.3333333', error '0.0000000'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3904kb
input:
2 4 41 65 31 41 19 15 72 11
output:
36.87500000
result:
ok found '36.8750000', expected '36.8750000', error '0.0000000'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
3 2 41 65 31 41 19 15
output:
35.33333333
result:
ok found '35.3333333', expected '35.3333333', error '0.0000000'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
3 3 41 65 31 41 19 15 72 11 78
output:
41.44444444
result:
ok found '41.4444444', expected '41.4444444', error '0.0000000'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
3 4 41 65 31 41 19 15 72 11 78 69 37 23
output:
41.83333333
result:
ok found '41.8333333', expected '41.8333333', error '0.0000000'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
4 2 41 65 31 41 19 15 72 11
output:
36.87500000
result:
ok found '36.8750000', expected '36.8750000', error '0.0000000'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3856kb
input:
4 3 41 65 31 41 19 15 72 11 78 69 37 23
output:
41.83333333
result:
ok found '41.8333333', expected '41.8333333', error '0.0000000'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
4 4 41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4
output:
42.06250000
result:
ok found '42.0625000', expected '42.0625000', error '0.0000000'
Test #10:
score: 0
Accepted
time: 101ms
memory: 3804kb
input:
998 999 41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 57...
output:
49.96108232
result:
ok found '49.9610823', expected '49.9610823', error '0.0000000'
Test #11:
score: 0
Accepted
time: 97ms
memory: 3664kb
input:
1000 1000 41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 ...
output:
49.96050900
result:
ok found '49.9605090', expected '49.9605090', error '0.0000000'
Test #12:
score: 0
Accepted
time: 100ms
memory: 3820kb
input:
1000 999 41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 5...
output:
49.95938238
result:
ok found '49.9593824', expected '49.9593824', error '0.0000000'
Test #13:
score: 0
Accepted
time: 102ms
memory: 3812kb
input:
999 1000 41 65 31 41 19 15 72 11 78 69 37 23 29 63 75 4 5 49 75 99 27 61 62 17 79 61 22 13 49 71 61 8 81 67 80 47 83 88 30 12 74 78 33 23 58 83 76 59 77 85 25 18 98 16 100 79 88 36 53 72 95 93 39 78 5 15 56 26 62 65 57 69 63 31 63 68 46 40 46 15 87 49 47 17 61 8 42 39 64 86 49 43 44 47 69 25 67 58 5...
output:
49.95938238
result:
ok found '49.9593824', expected '49.9593824', error '0.0000000'
Test #14:
score: 0
Accepted
time: 33ms
memory: 3764kb
input:
687 598 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
0.00000000
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #15:
score: 0
Accepted
time: 52ms
memory: 3880kb
input:
868 495 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 ...
output:
100.00000000
result:
ok found '100.0000000', expected '100.0000000', error '0.0000000'
Test #16:
score: 0
Accepted
time: 101ms
memory: 3864kb
input:
989 999 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 4...
output:
49.00000000
result:
ok found '49.0000000', expected '49.0000000', error '0.0000000'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3900kb
input:
3 3 17 0 0 0 0 0 0 0 0
output:
1.88888889
result:
ok found '1.8888889', expected '1.8888889', error '0.0000000'
Test #18:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
3 3 0 18 0 0 0 0 0 0 0
output:
2.00000000
result:
ok found '2.0000000', expected '2.0000000', error '0.0000000'
Test #19:
score: 0
Accepted
time: 0ms
memory: 3908kb
input:
3 3 0 0 19 0 0 0 0 0 0
output:
2.11111111
result:
ok found '2.1111111', expected '2.1111111', error '0.0000000'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3736kb
input:
3 3 0 0 0 20 0 0 0 0 0
output:
2.22222222
result:
ok found '2.2222222', expected '2.2222222', error '0.0000000'
Test #21:
score: 0
Accepted
time: 0ms
memory: 3664kb
input:
3 3 0 0 0 0 21 0 0 0 0
output:
2.33333333
result:
ok found '2.3333333', expected '2.3333333', error '0.0000000'
Test #22:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
3 3 0 0 0 0 0 22 0 0 0
output:
2.44444444
result:
ok found '2.4444444', expected '2.4444444', error '0.0000000'
Test #23:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
3 3 0 0 0 0 0 0 23 0 0
output:
2.55555556
result:
ok found '2.5555556', expected '2.5555556', error '0.0000000'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3888kb
input:
3 3 0 0 0 0 0 0 0 24 0
output:
2.66666667
result:
ok found '2.6666667', expected '2.6666667', error '0.0000000'
Test #25:
score: 0
Accepted
time: 0ms
memory: 3852kb
input:
3 3 0 0 0 0 0 0 0 0 25
output:
2.77777778
result:
ok found '2.7777778', expected '2.7777778', error '0.0000000'
Test #26:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
4 3 26 0 0 0 0 0 0 0 0 0 0 0
output:
2.16666667
result:
ok found '2.1666667', expected '2.1666667', error '0.0000000'
Test #27:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
4 3 0 0 0 0 27 0 0 0 0 0 0 0
output:
2.25000000
result:
ok found '2.2500000', expected '2.2500000', error '0.0000000'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
4 3 0 0 0 0 0 0 0 0 28 0 0 0
output:
2.33333333
result:
ok found '2.3333333', expected '2.3333333', error '0.0000000'
Test #29:
score: 0
Accepted
time: 0ms
memory: 3764kb
input:
4 3 0 0 0 0 0 0 0 0 0 0 0 29
output:
2.41666667
result:
ok found '2.4166667', expected '2.4166667', error '0.0000000'
Test #30:
score: 0
Accepted
time: 97ms
memory: 3856kb
input:
1000 1000 76 36 68 77 44 98 72 7 5 72 74 71 28 32 74 89 3 95 68 93 64 23 40 2 8 20 59 80 92 24 45 12 76 16 83 71 75 65 81 61 27 37 92 42 87 0 2 47 23 52 71 95 43 67 92 74 60 46 59 6 41 56 23 53 78 61 51 68 68 36 28 35 69 62 92 94 96 62 5 18 67 70 39 4 30 83 44 85 58 79 35 50 15 64 27 60 36 12 60 30 ...
output:
49.94911300
result:
ok found '49.9491130', expected '49.9491130', error '0.0000000'
Test #31:
score: 0
Accepted
time: 19ms
memory: 3820kb
input:
295 617 68 77 44 98 72 7 5 72 74 71 28 32 74 89 3 95 68 93 64 23 40 2 8 20 59 80 92 24 45 12 76 16 83 71 75 65 81 61 27 37 92 42 87 0 2 47 23 52 71 95 43 67 92 74 60 46 59 6 41 56 23 53 78 61 51 68 68 36 28 35 69 62 92 94 96 62 5 18 67 70 39 4 30 83 44 85 58 79 35 50 15 64 27 60 36 12 60 30 41 14 27...
output:
49.92306129
result:
ok found '49.9230613', expected '49.9230613', error '0.0000000'
Test #32:
score: 0
Accepted
time: 3ms
memory: 3904kb
input:
969 30 16 99 27 95 88 69 30 22 38 18 89 62 29 76 34 16 20 93 82 43 11 30 51 61 57 91 89 54 67 51 99 20 76 62 34 44 20 66 31 40 23 46 61 28 78 67 63 98 92 55 0 35 73 88 15 4 45 9 35 91 13 10 38 67 36 93 84 22 25 73 39 89 100 29 19 14 63 2 88 21 50 18 48 95 93 17 41 90 13 5 3 50 13 77 54 57 60 11 58 4...
output:
50.06759546
result:
ok found '50.0675955', expected '50.0675955', error '0.0000000'
Test #33:
score: 0
Accepted
time: 2ms
memory: 3808kb
input:
91 198 46 36 75 94 74 52 20 93 1 9 9 15 40 31 96 17 20 27 99 10 10 22 9 8 41 10 82 13 5 30 60 81 82 22 15 69 54 33 29 77 75 24 68 42 87 5 88 63 1 43 54 99 50 43 9 38 56 87 17 91 41 93 72 44 58 90 29 42 22 62 44 36 83 67 29 17 31 5 34 15 28 39 86 76 30 81 17 20 48 29 15 76 33 67 33 87 59 5 54 76 25 3...
output:
50.17049617
result:
ok found '50.1704962', expected '50.1704962', error '0.0000000'
Test #34:
score: 0
Accepted
time: 64ms
memory: 3804kb
input:
864 820 54 15 97 27 71 2 11 71 32 50 36 42 80 98 1 42 2 23 40 1 100 35 72 71 34 19 53 73 33 89 78 97 11 3 78 88 64 32 0 5 20 18 99 49 57 47 15 45 36 75 97 65 9 98 20 74 66 86 56 0 79 68 89 13 61 76 3 32 13 9 25 94 65 63 17 6 96 10 54 43 86 29 77 18 72 86 61 99 41 79 97 23 0 43 43 50 25 39 11 85 54 6...
output:
49.94914465
result:
ok found '49.9491447', expected '49.9491446', error '0.0000000'
Test #35:
score: 0
Accepted
time: 4ms
memory: 3816kb
input:
438 75 97 86 72 15 26 43 35 23 71 27 35 31 61 68 81 16 40 77 80 37 13 25 62 4 94 3 54 28 39 0 16 25 5 71 54 62 53 38 15 97 88 73 52 87 47 54 66 16 98 6 57 34 44 90 17 88 32 58 85 4 6 53 7 91 82 17 84 2 64 72 30 40 20 31 23 35 29 0 89 28 21 65 79 66 0 26 49 50 70 14 56 88 78 57 47 78 86 81 34 87 94 3...
output:
49.86167428
result:
ok found '49.8616743', expected '49.8616743', error '0.0000000'
Test #36:
score: 0
Accepted
time: 19ms
memory: 3808kb
input:
996 189 29 72 39 97 95 58 42 27 43 16 8 53 5 6 43 10 22 52 71 93 91 47 68 27 78 34 67 93 73 85 95 67 35 86 81 80 90 70 16 42 32 7 95 47 91 35 33 30 1 69 17 49 8 90 46 41 72 62 79 92 33 46 38 48 94 19 59 100 9 0 2 44 81 100 85 30 41 18 94 30 82 71 61 12 32 77 1 8 48 12 27 33 82 7 65 26 88 44 62 46 3 ...
output:
49.94634092
result:
ok found '49.9463409', expected '49.9463409', error '0.0000000'
Test #37:
score: 0
Accepted
time: 25ms
memory: 3804kb
input:
295 829 47 41 15 1 97 74 65 84 73 87 55 56 65 7 17 17 21 60 23 36 75 93 74 20 53 28 6 48 71 66 31 69 29 52 63 18 68 60 29 60 78 57 13 91 26 15 10 82 80 29 87 60 85 98 77 44 7 16 34 46 42 19 21 51 83 30 70 73 35 37 2 32 30 92 50 32 3 11 8 8 46 66 5 73 70 6 8 41 11 44 65 83 8 78 72 7 28 43 2 72 80 34 ...
output:
49.93950645
result:
ok found '49.9395065', expected '49.9395065', error '0.0000000'
Test #38:
score: 0
Accepted
time: 17ms
memory: 3664kb
input:
366 459 9 6 7 46 17 59 91 22 58 47 57 29 15 7 12 55 57 90 56 48 14 17 80 24 71 18 33 7 68 14 32 33 22 91 10 13 28 3 73 87 6 81 14 92 6 41 34 79 0 12 79 33 9 80 76 89 82 7 80 53 86 77 25 79 52 1 17 80 36 76 36 53 11 86 88 71 35 76 22 90 25 91 36 27 27 92 55 11 36 92 58 12 77 45 60 64 95 54 97 66 6 36...
output:
49.98733288
result:
ok found '49.9873329', expected '49.9873329', error '0.0000000'
Test #39:
score: 0
Accepted
time: 26ms
memory: 3808kb
input:
409 604 67 5 74 38 51 30 97 73 88 91 71 11 8 48 5 53 6 15 43 21 100 45 96 40 4 7 55 67 26 22 11 35 51 63 91 24 50 85 18 17 67 77 25 25 25 76 97 39 78 51 72 27 20 52 81 31 39 47 22 13 66 64 39 71 18 95 100 23 10 91 83 53 20 21 52 41 100 69 74 25 39 40 5 67 34 14 3 84 83 8 75 39 42 51 32 75 50 18 35 9...
output:
49.96645428
result:
ok found '49.9664543', expected '49.9664543', error '0.0000000'
Test #40:
score: 0
Accepted
time: 20ms
memory: 3860kb
input:
693 285 67 92 26 75 70 11 64 33 19 58 85 8 62 53 36 11 17 67 88 65 68 46 72 59 47 80 15 87 90 10 92 46 21 61 75 53 78 15 82 99 57 85 47 39 34 39 38 7 54 81 13 100 16 5 34 15 35 35 87 29 51 82 15 62 42 11 23 97 61 34 48 75 88 75 82 6 14 84 97 38 95 2 22 42 10 78 63 30 18 69 19 0 32 71 1 71 84 41 85 7...
output:
50.12474115
result:
ok found '50.1247411', expected '50.1247411', error '0.0000000'
Test #41:
score: 0
Accepted
time: 0ms
memory: 3880kb
input:
2 2 76 36 68 77
output:
64.25000000
result:
ok found '64.2500000', expected '64.2500000', error '0.0000000'
Test #42:
score: 0
Accepted
time: 81ms
memory: 3888kb
input:
1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
0.00000000
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #43:
score: 0
Accepted
time: 112ms
memory: 3804kb
input:
1000 1000 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 10...
output:
100.00000000
result:
ok found '100.0000000', expected '100.0000000', error '0.0000000'
Test #44:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
2 2 0 0 0 0
output:
0.00000000
result:
ok found '0.0000000', expected '0.0000000', error '-0.0000000'
Test #45:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
2 2 100 100 100 100
output:
100.00000000
result:
ok found '100.0000000', expected '100.0000000', error '0.0000000'
Test #46:
score: 0
Accepted
time: 82ms
memory: 3856kb
input:
1000 1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
0.00000100
result:
ok found '0.0000010', expected '0.0000010', error '0.0000000'
Test #47:
score: 0
Accepted
time: 121ms
memory: 3864kb
input:
1000 1000 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 10...
output:
99.99999900
result:
ok found '99.9999990', expected '99.9999990', error '0.0000000'
Extra Test:
score: 0
Extra Test Passed