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- [12:20]michael@dc:~/Projects/sandbox$ cat vector_it.cpp
- #include<vector>
- #include<cstdio>
- #include<ctime>
- #include<cstdlib>
- using namespace std;
- vector<int> v;
- int main() {
- int n = 10000000;
- int res = 0;
- for(int i = 0; i < n; ++i) {
- v.push_back(rand()%2000000000);
- }
- for(vector<int>::iterator i = v.begin(); i != v.end(); ++i) {
- res ^= *i;
- }
- return 0;
- }[12:22]michael@dc:~/Projects/sandbox$ cat vector_ind.cpp
- #include<vector>
- #include<cstdio>
- #include<ctime>
- #include<cstdlib>
- using namespace std;
- vector<int> v;
- int main() {
- int n = 10000000;
- int res = 0;
- for(int i = 0; i < n; ++i) {
- v.push_back(rand()%2000000000);
- }
- for(size_t i = 0; i < v.size(); ++i) {
- res ^= v[i];
- }
- return 0;
- }
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