SysYTestcases/function_2021fin/81_go_upstairs.sy
ridethepig 13f3cb710a init
2023-05-16 00:56:56 +08:00

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int climbStairs(int n) {
if(n < 4)
return n;
int dp[10];
dp[0] = 0;
dp[1] = 1;
dp[2] = 2;
int i;
i = 3;
while(i<n+1){
dp[i] = dp[i-1] + dp[i-2];
i = i + 1;
}
return dp[n];
}
int main(){
int res;
int n;
n=5;
res = climbStairs(n);
return res;
}