MESSI • 1年前
using namespace std; string s1,s2; int a[250000],b[250000],c[500000]; int i,j,p; int main(){
cin>>s1>>s2;
for(i = 0;i < s1.size();i++){
a[i] = s1[s1.size() - i - 1] - '0';
}
for(i = 0;i < s2.size();i++){
b[i] = s2[s2.size() - i - 1] - '0';
}
for(i = 0;i < s1.size();i++){
for(j = 0;j < s2.size();j++){
c[i+j] = c[i+j] + a[i] * b[j];
if(c[i+j] >= 10){
c[i+j+1] = c[i+j+1] + c[i+j] / 10;
c[i+j] = c[i+j] % 10;
}
}
}
for(i = s1.size() + s2.size() - 1;i >= 0;i--){
if(c[i] != 0){
p = i;
break;
}
}
for(i = p;i >= 0;i--){
cout<<c[i];
}
}
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using namespace std;
int a[4] = {20, 10, 5, 1}, sum = 0, num = 0, i = 0, n, f[100000001];
int main()
{
//freopen("coin.in","r",stdin);freopen("coin.out","w",stdout);
memset(f, -1, sizeof(f));
cin >> n;
f[0] = 0;
for (i = 0; i < 4 && f[n] == -1; ++i)
for (int j = a[i]; j <= n; j += a[i])
if (f[j] == -1)
f[j] = f[j - a[i]] + 1;
cout << f[n] << " " << i;
//fclose(stdin);fclose(stdout);
return 0;
}
using namespace std; char a[13]; int b[9]; int i, j, s = 0, l = 0;
int main() {
cin >> a;
for (i = 0; i < 11; i++) {
if (a[i] != '-') {
l++;
s += (a[i] - '0') * l;
}
}
s = s % 11;
if (s == 10) {
if (a[12] == 'X') {
cout << "Right";
} else {
a[12] = 'X';
cout << a;
}
} else {
if (a[12] - '0' == s) {
cout << "Right";
} else {
a[12] = char (s + 48);;
cout << a;
}
}
return 0;
}
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