#include <bits/stdc++.h>
using namespace std;
int totalquestion = 30;
int targetscore = 70;
int ans = 0;
void search(int currentquestion, int currentscore) {
if (currentscore == targetscore) {
ans++;
return;
}
if (currentscore > targetscore || currentquestion > totalquestion) {
return;
}
search(currentquestion + 1, currentscore + 10); // 回答正确,得分加10
search(currentquestion + 1, 0); // 回答错误,得分清零
}
int main() {
search(1, 0);
cout << ans;
return 0;
}
using namespace std;
int totalquestion = 30;
int targetscore = 70;
int ans = 0;
void search(int currentquestion, int currentscore) {
if (currentscore == targetscore) {
ans++;
return;
}
if (currentscore > targetscore || currentquestion > totalquestion) {
return;
}
search(currentquestion + 1, currentscore + 10); // 回答正确,得分加10
search(currentquestion + 1, 0); // 回答错误,得分清零
}
int main() {
search(1, 0);
cout << ans;
return 0;
}