mc_lhz @ 2023-07-09 00:47:50
#include <cstdio>
#include <cstring>
static const int LEN = 1004;
int a[LEN], b[LEN], c[LEN];
void clear(int a[]) {
for (int i = 0; i < LEN; ++i) a[i] = 0;
}
void read(int a[]) {
static char s[LEN + 1];
scanf("%s", s);
clear(a);
int len = strlen(s);
for (int i = 0; i < len; ++i) a[len - i - 1] = s[i] - '0';
}
void print(int a[]) {
int i;
for (i = LEN - 1; i >= 1; --i)
if (a[i] != 0) break;
for (; i >= 0; --i) putchar(a[i] + '0');
putchar('\n');
}
void add(int a[], int b[], int c[]) {
clear(c);
for (int i = 0; i < LEN - 1; ++i) {
c[i] += a[i] + b[i];
if (c[i] >= 10) {
c[i + 1] += 1;
c[i] -= 10;
}
}
}
int main() {
read(a);
read(b);
add(a, b, c);
print(c);
return 0;
}{
int a,b;
cin>>a>>b;
cout<<a+b;
return 0;
}by OIerGuo @ 2023-07-16 18:31:41
用long long就行了
by cff_0102 @ 2023-07-19 15:31:00
有负数