#include <iostream> using namespace std; typedef long long ll; ll endtime; ll t[220000]; ll m; ll n; ll timeNeeded(ll d, ll i) { ll ti = t[i]; //ll n = 1; if (endtime + d > ti) { /* cout << t[i] << " needs1 " << n*(endtime + d - ti) + (n*d*(n-1))/2 << endl; ll ret = n*(endtime + d - ti) + (n*d*(n-1))/2; endtime += n*d; */ ll ret = (endtime + d - ti); endtime += d; return ret; } else { /* cout << t[i] << " needs2 " << (n*d*(n-1))/2 << endl; ll ret = (n*d*(n-1))/2; endtime = ti + (n-1)*d; */ ll ret = 0; endtime = ti; return ret; } } int main() { ios_base::sync_with_stdio(false); cin >> n >> m; for (int i = 0; i < n; i++) { cin >> t[i]; } for (int x = 0; x < m; x++) { ll d = 0; ll sum = 0; endtime = 0; cin >> d; for (int i = 0; i < n; i++) { sum += timeNeeded(d,i); } cout << sum << endl; } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | #include <iostream> using namespace std; typedef long long ll; ll endtime; ll t[220000]; ll m; ll n; ll timeNeeded(ll d, ll i) { ll ti = t[i]; //ll n = 1; if (endtime + d > ti) { /* cout << t[i] << " needs1 " << n*(endtime + d - ti) + (n*d*(n-1))/2 << endl; ll ret = n*(endtime + d - ti) + (n*d*(n-1))/2; endtime += n*d; */ ll ret = (endtime + d - ti); endtime += d; return ret; } else { /* cout << t[i] << " needs2 " << (n*d*(n-1))/2 << endl; ll ret = (n*d*(n-1))/2; endtime = ti + (n-1)*d; */ ll ret = 0; endtime = ti; return ret; } } int main() { ios_base::sync_with_stdio(false); cin >> n >> m; for (int i = 0; i < n; i++) { cin >> t[i]; } for (int x = 0; x < m; x++) { ll d = 0; ll sum = 0; endtime = 0; cin >> d; for (int i = 0; i < n; i++) { sum += timeNeeded(d,i); } cout << sum << endl; } return 0; } |