제출 #953452

#제출 시각아이디문제언어결과실행 시간메모리
953452vjudge1경주 (Race) (IOI11_race)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define endl '\n' #define mp make_pair #define pb push_back #define f first #define s second #define fo(i,n) for(auto i =0 ; i < n;i++) #define fore(i,l,r) for(auto i = l; i < r;i++) #define forex(i,r,l) for(auto i = r; i >= l; i--) #define ffo(i,n) forex(i,n-1,0) #define all(x) x.begin(),x.end() #define lsb(x) x&(-x) #define sz(x) (int)x.size() #define gcd(a,b) __gcd(a,b) #define vii vector<ii> using namespace std; using ii = pair<int,int>; using ll = long long; using ull = unsigned long long; using vi = vector<int>; void valid(int in){cout<<((in)?"YES\n":"NO\n");return;} const int N = 2e5 + 7, mod = 1e9 +7; int fac[N]; void criba(){ fo(i,N)fac[i] = i; fore(i,2,N){ if(fac[i] == i){ for(int j = i+i; j <N; j+=i) fac[j] = i; } } } map<int,int> facto(int n, map<int,int> res = {}){ while(n!=1){ res[fac[n]]++;n/=fac[n]; }return res; } ll fpow(ll a , ll b, ll res = 1 ){ while(b){ if(b&1)res = (res*a)%mod; a = (a*a)%mod;b>>=1; }return res; } void test_case(){ int n,q; cin >> n >> q; vector<map<int,int>> arr; fo(i,n){ int a; cin >> a; arr.pb(facto(a)); } map<int, multiset<int>> mn; fo(i,n){ auto wt =arr[i]; for(auto[k,v] : wt)mn[k].insert(v); }ll ans = 1; for(auto [k,v] : mn){ if(v.size()==n) ans = (ans * fpow(k, *v.begin()))%mod; }cout << ans << endl; while(q--){ int idx, x; cin >> idx >> x; idx--; auto wt = facto(x), &act = arr[idx]; for(auto [k,v] : wt){ if(mn[k].size() == n) ans = (ans* fpow(fpow(k, *mn[k].begin()), mod-2))%mod; if(act[k] != 0 )mn[k].erase(act[k]); mn[k].insert(act[k]+v); if(mn[k].size() == n)ans = (ans * fpow(k, *mn[k].begin()))%mod; act[k] += v; } for(auto [k,v] : mn){ cout << k << endl; for(auto xd : v)cout << xd << " "; cout << endl; }cout << ans << endl; } } int main(){cin.tie(0)->sync_with_stdio(0); int t;t=1;criba(); while(t--)test_case(); }

컴파일 시 표준 에러 (stderr) 메시지

race.cpp: In function 'void test_case()':
race.cpp:54:20: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   54 |         if(v.size()==n) ans = (ans * fpow(k, *v.begin()))%mod;
      |            ~~~~~~~~^~~
race.cpp:60:29: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   60 |             if(mn[k].size() == n) ans = (ans* fpow(fpow(k, *mn[k].begin()), mod-2))%mod;
      |                ~~~~~~~~~~~~~^~~~
race.cpp:63:29: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   63 |             if(mn[k].size() == n)ans = (ans * fpow(k, *mn[k].begin()))%mod;
      |                ~~~~~~~~~~~~~^~~~
race.cpp:68:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   68 |             for(auto xd : v)cout << xd << " "; cout << endl;
      |             ^~~
race.cpp:68:48: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   68 |             for(auto xd : v)cout << xd << " "; cout << endl;
      |                                                ^~~~
/usr/bin/ld: /tmp/cczdLjP4.o: in function `main':
race.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccYliyi6.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccYliyi6.o: in function `main':
grader.cpp:(.text.startup+0x28): undefined reference to `best_path(int, int, int (*) [2], int*)'
collect2: error: ld returned 1 exit status