网易笔试题，求大佬回复，哪不对#include <bits/stdc++.h>using namespace std;int main(){int T,n;        cin>>T;while(cin>>n){vector<int> a(n), b(n-1);                int x;for(int i=0;i<n;i++){cin >> x;                        a.push_back(x);}                for(int i=0;i<n-1;i++){cin >> x;                        b.push_back(x);}vector<int> dp(n+1, 10000);dp[0]=0;dp[1]=a[0];for(int i=2;i<=n;i++){dp[i]=min(dp[i-1]+a[i-1],dp[i-2]+b[i-2]);}                int sec = dp[n]%60;                int mil = dp[n]/60;                if(mil>=60)                {                        int h = mil/60;                        mil = mil%60;                }h = h+8;                if(h<12)                      cout << setpresicion(2) << h << ":" << mil << ":" << sec << " " << "am" << endl;                else                      cout << setpresicion(2) << h << ":" << mil << ":" << sec << " " << "pm"<< endl;}return 0;