基于QX-MINI51最小系统的电压表C程序

using namespace std

typedef long long ll

const int MOD = 1e9 + 7

const int MAXN = 1e5 + 5

ll x, num, sum, n[MAXN], m[MAXN]

int main(int argc, char const *argv[])

{

scanf("%lld", &x)

for(ll i = 1x >= i * i++i) {

x -= i * i

sum += i

if(x % sum == 0) {

n[num] = i

m[num++] = i + x / sum

}

}

for(ll i = num - 1i >= 0--i)

if(n[i] != m[i]) {

n[num] = m[i]

m[num++] = n[i]

}

printf("%lld\n", num)

for(ll i = 0i <num++i)

printf("%lld %lld\n", n[i], m[i])

return 0

}

ORG 0000H

LJMP MAIN

ORG 0030H

MAIN:

MOV A,P0

ANL A,#1EH

CJNE A,#02H,MAIN1

SETB P1.1

CLR P1.2

CLR P1.8

SJMP MAIN

MAIN1:

CJNE A,#04H,MAIN2

CLR P1.1

SETB P1.2

CLR P1.8

SJMP MAIN

MAIN2:

CJNE A,#1EH,MAIN3

CLR P1.1

CLR P1.2

SETB P1.8

SJMP MAIN

MAIN3:

CLR P1.1

CLR P1.2

CLR P1.8

LJMP MAIN

END

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