#line 2 "/home/sakflat/CP/_library/cpp/template/template.cpp" //yukicoder@cpp17 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; using P = pair; const ll MOD = 998244353; const ll MODx = 1000000007; const int INF = (1<<30)-1; const ll LINF = (1LL<<62LL)-1; const double EPS = (1e-10); P ar4[4] = {{0,1},{0,-1},{1,0},{-1,0}}; P ar8[8] = {{-1,-1},{-1,0},{-1,1},{0,-1},{0,1},{1,-1},{1,0},{1,1}}; template vector make_vector(size_t a, T b) { return vector(a, b); } template auto make_vector(size_t a, Ts... ts) { return vector(a, make_vector(ts...)); } /* 確認ポイント cout << fixed << setprecision(n) << 小数計算//n桁の小数表記になる 計算量は変わらないが楽できるシリーズ min(max)_element(iter,iter)で一番小さい(大きい)値のポインタが帰ってくる count(iter,iter,int)でintがiterからiterの間にいくつあったかを取得できる */ /* function corner below */ /* Function corner above */ /* comment outed because can cause bugs __attribute__((constructor)) void initial() { cin.tie(0); ios::sync_with_stdio(false); } */ #line 2 "/home/sakflat/CP/_library/cpp/template/basic.cpp" int main(){ long long x,y,z;cin>>x>>y>>z; if(z == 0){ cout << "ccW" << endl; return 0; } if(x == 0 || y == 0){ if(x+y == 0){ cout << (z ? "NO" : "c") << endl; }else{ if(z%(x+y))cout << "NO" << endl; else{ if(z/(x+y) > 5000)cout << "NO" << endl; else{ for(int i = 0; z/(x+y) > i; i++){ cout << (x ? "c" : "w"); } for(int i = 0; z/(x+y)-1 > i; i++){ cout << "C"; } cout << endl; } } } return 0; } long long g = __gcd(x,y); if(z % g){ cout << "NO" << endl; return 0; } x /= g; y /= g; z /= g; for(long long a = -5000; 5000 > a; a++){ if((a*x-z)%y == 0){ long long b = -(a*x-z)/y; long long length = (abs(a) + abs(b))*2 - 1; if(a <= 0 && b <= 0)length += 3; if(length > 10000)continue; string C = ""; string O = ""; if(a > 0){ for(int i = 0; a > i; i++){ C.push_back('c'); if(i)O.push_back('C'); } } if(b > 0){ if(C.size())O.push_back('C'); for(int i = 0; b > i; i++){ C.push_back('w'); if(i)O.push_back('C'); } } if(a < 0){ if(C.size())O.push_back('W'); for(int i = 0; -a > i; i++){ C.push_back('c'); if(i)O.push_back('W'); } } if(b < 0){ if(C.size())O.push_back('W'); for(int i = 0; -b > i; i++){ C.push_back('w'); if(i)O.push_back('W'); } } reverse(C.begin(), C.end()); cout << C << O << endl; return 0; } } cout << "NO" << endl; return 0; }