제출 #781615

#제출 시각아이디문제언어결과실행 시간메모리
781615devariaota이상한 기계 (APIO19_strange_device)C++17
10 / 100
5061 ms524288 KiB
#include <bits/stdc++.h> using namespace std; # define int long long # define fir first # define sec second # define pb push_back const int cnst = 2e5+5; bool mutipletestcase = 0; //bool debug = false; int gcd(int a, int b) {return b ? gcd(b, a%b): a;} int lcm(int a, int b) {return a/gcd(a, b)*b;} void solve() { int n, a, b; cin >> n >> a >> b; // if(a*b <= 1e6) { // int val = lcm(a, b); // int ans = 0; // int get[val*2+5]; // memset(get, 0, sizeof(get)); // while(n--) { // int x, y; cin >> x >> y; // int len = y-x+1; // if(len > a*b) ans = val; // x %= val; // y %= val; // if(y < x) y += val; // // cerr << x << " " << y << endl; // get[x]+=1, get[y+1] -= 1; // } // if(ans == val) cout << ans << endl; // else { // bool yes[val+5]; // memset(yes, 0, sizeof(yes)); // for(int i = 1; i<=2*val; i++) { // get[i] += get[i-1]; // cerr << get[i] << " "; // if(get[i]) yes[i%val] = 1; // } // for(int i = 0; i<val; i++) { // if(yes[i]) ans++; // } // cout << ans << endl; // } // return; // } // if(b == 1) { // } set<pair<int, int>> st; while(n--) { int x, y; cin >> x >> y; for(int i = x; i<=y; i++) { st.insert({(i+i/b)%a, i%b}); } } cout << st.size() << endl; } signed main() { ios_base::sync_with_stdio(false); int t = 1; if(mutipletestcase) cin >> t; while(t--) solve(); }
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