제출 #385478

#제출 시각아이디문제언어결과실행 시간메모리
385478vanicNice sequence (IZhO18_sequence)C++14
15 / 100
10 ms748 KiB
#include <iostream> #include <cstdio> #include <cmath> #include <algorithm> using namespace std; void solve(){ int n, m; cin >> n >> m; int sol; if(n>m){ if(n%m==0){ sol=max(n-1, m*2-1); } else{ sol=max(n, m*2-1); } cout << sol << '\n'; if(sol==n-1){ for(int i=0; i<sol; i++){ cout << 1 << ' '; } cout << '\n'; } else{ int br=(sol+m-1)/m+1; for(int i=1; i<=sol; i++){ if(i%m){ cout << -br << ' '; } else{ cout << br*(m-1)+1 << ' '; } } cout << '\n'; } } else if(n<m){ if(m%n==0){ sol=max(m-1, n*2-1); } else{ sol=max(m, n*2-1); } cout << sol << '\n'; if(sol==m-1){ for(int i=0; i<sol; i++){ cout << -1 << ' '; } cout << '\n'; } else{ int br=(sol+n-1)/n+1; for(int i=1; i<=sol; i++){ if(i%n){ cout << br << ' '; } else{ cout << -br*(n-1)-1 << ' '; } } cout << '\n'; } } else{ cout << n-1 << '\n'; for(int i=0; i<n-1; i++){ cout << 1 << ' '; } cout << '\n'; } } int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int t; cin >> t; while(t--){ solve(); } return 0; }
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