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 |
---|---|---|---|---|---|---|---|---|---|
#212673 | #3827. A | zhouzhichen123456 | 100 | 1251ms | 1200kb | C++ | 1.2kb | 2024-10-20 09:17:38 | 2024-10-20 12:36:27 |
answer
#include <iostream>
bool noCarryInBinary(int num1, int num2) {
int sum = num1 + num2;
while (num1 > 0 || num2 > 0 || sum > 0) {
int bit1 = num1 & 1;
int bit2 = num2 & 1;
int bitSum = sum & 1;
if ((bit1 & bit2) && bitSum == 0) return false;
num1 >>= 1;
num2 >>= 1;
sum >>= 1;
}
return true;
}
bool noCarryInTernary(int num1, int num2) {
int sum = num1 + num2;
int carry = 0;
while (num1 > 0 || num2 > 0 || sum > 0) {
int digit1 = num1 % 3;
int digit2 = num2 % 3;
int digitSum = digit1 + digit2 + carry;
if (digitSum >= 3) return false;
carry = digitSum / 3;
num1 /= 3;
num2 /= 3;
sum /= 3;
}
return true;
}
int countGoodPairs(int n) {
int count = 0;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= n; ++j) {
if (noCarryInBinary(i, j) && noCarryInTernary(i, j)) {
count++;
}
}
}
return count;
}
int main() {
int n;
std::cin >> n;
std::cout << countGoodPairs(n) << std::endl;
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 1ms
memory: 1200kb
input:
2
output:
0
result:
ok 1 number(s): "0"
Test #2:
score: 0
Accepted
time: 0ms
memory: 1196kb
input:
8
output:
6
result:
ok 1 number(s): "6"
Subtask #2:
score: 20
Accepted
Test #3:
score: 20
Accepted
time: 0ms
memory: 1196kb
input:
92
output:
348
result:
ok 1 number(s): "348"
Test #4:
score: 0
Accepted
time: 0ms
memory: 1200kb
input:
85
output:
316
result:
ok 1 number(s): "316"
Subtask #3:
score: 20
Accepted
Test #5:
score: 20
Accepted
time: 11ms
memory: 1196kb
input:
939
output:
7730
result:
ok 1 number(s): "7730"
Test #6:
score: 0
Accepted
time: 10ms
memory: 1196kb
input:
994
output:
7994
result:
ok 1 number(s): "7994"
Subtask #4:
score: 50
Accepted
Test #7:
score: 50
Accepted
time: 212ms
memory: 1200kb
input:
4375
output:
58626
result:
ok 1 number(s): "58626"
Test #8:
score: 0
Accepted
time: 233ms
memory: 1196kb
input:
4594
output:
66410
result:
ok 1 number(s): "66410"
Test #9:
score: 0
Accepted
time: 277ms
memory: 1200kb
input:
4989
output:
74836
result:
ok 1 number(s): "74836"
Test #10:
score: 0
Accepted
time: 258ms
memory: 1196kb
input:
4877
output:
73756
result:
ok 1 number(s): "73756"
Test #11:
score: 0
Accepted
time: 249ms
memory: 1200kb
input:
4790
output:
72308
result:
ok 1 number(s): "72308"
Extra Test:
score: 0
Extra Test Passed