제출 #170670

#제출 시각아이디문제언어결과실행 시간메모리
170670liwi콤보 (IOI18_combo)C++11
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set; typedef gp_hash_table<int, null_type,hash<int>, equal_to<int>, direct_mask_range_hashing<int>, linear_probe_fn<>, hash_standard_resize_policy<hash_exponential_size_policy<>, hash_load_check_resize_trigger<true>,true>> hash_set; #define scan(x) do{while((x=getchar())<'0'); for(x-='0'; '0'<=(_=getchar()); x=(x<<3)+(x<<1)+_-'0');}while(0) char _; #define complete_unique(a) a.erase(unique(a.begin(),a.end()),a.end()) #define all(a) a.begin(),a.end() #define println printf("\n"); #define readln(x) getline(cin,x); #define pb push_back #define endl "\n" #define INT_INF 0x3f3f3f3f #define LL_INF 0x3f3f3f3f3f3f3f3f #define EPS 1e-9 #define MOD 1000000007 #define MOD2 1494318097 #define SEED 131 #define mp make_pair #define fastio cin.tie(0); cin.sync_with_stdio(0); typedef unsigned long long ull; typedef long long ll; typedef long double ld; typedef pair<int,int> pii; typedef pair<double,double> pdd; typedef pair<ll,ll> pll; typedef pair<int,pii> triple; typedef int8_t byte; mt19937 g1(chrono::steady_clock::now().time_since_epoch().count()); int randint(int a, int b){return uniform_int_distribution<int>(a, b)(g1);} ll randlong(ll a,ll b){return uniform_int_distribution<long long>(a, b)(g1);} ll gcd(ll a, ll b){return b == 0 ? a : gcd(b, a % b);} ll lcm(ll a, ll b){return a*b/gcd(a,b);} ll fpow(ll b, ll exp, ll mod){if(exp == 0) return 1;ll t = fpow(b,exp/2,mod);if(exp&1) return t*t%mod*b%mod;return t*t%mod;} ll divmod(ll i, ll j, ll mod){i%=mod,j%=mod;return i*fpow(j,mod-2,mod)%mod;} vector<char> v = {'A','B','X','Y'}; string guess_sequence(int len){ string ret = ""; for(int i=0; i<3; i++){ int a = press(string(1,v[i])); if(a == 1){ ret = string(1,v[i]); break; } } if(ret.empty()) ret = v.back(); v.erase(find(all(v),ret[0])); for(int i=2; i<len; i++){ int a = press(ret+v[0]+ret+v[1]+v[0]+ret+v[1]+v[1]+ret+v[1]+v[2]); if(a == i-1) ret+=v[2]; else if(a == i) ret+=v[0]; else ret+=v[1]; } for(int i=0; i<2; i++){ int a = press(ret+v[i]); if(a == len){ ret+=v[i]; break; } } if(ret.size() != len) ret+=v.back(); return ret; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:52:17: error: 'press' was not declared in this scope
   52 |         int a = press(string(1,v[i]));
      |                 ^~~~~
combo.cpp:61:17: error: 'press' was not declared in this scope
   61 |         int a = press(ret+v[0]+ret+v[1]+v[0]+ret+v[1]+v[1]+ret+v[1]+v[2]);
      |                 ^~~~~
combo.cpp:67:17: error: 'press' was not declared in this scope
   67 |         int a = press(ret+v[i]);
      |                 ^~~~~
combo.cpp:73:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   73 |     if(ret.size() != len) ret+=v.back();
      |        ~~~~~~~~~~~^~~~~~