題目:
https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1724
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| #include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main(){
int t;
cin >> t;
int a, b;
for(int cases = 1; cases<=t; cases++){
cin >> a >> b;
if(a > b) swap(a, b);
vector<int> arr;
for(int i=a; i<=b; ++i){
if(i % 2 == 1) arr.push_back(i);
}
int sum = 0;
for(int num : arr){
sum += num;
}
cout << "Case " << cases << ": " << sum << '\n';
}
return 0;
}
|
