제출 #465656

#제출 시각아이디문제언어결과실행 시간메모리
465656AmirElarbiHandcrafted Gift (IOI20_gift)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "gift.h" #define vi vector<int> #define ve vector #define ll long long #define vf vector<float> #define vll vector<pair<ll,ll>> #define ii pair<int,int> #define vvi vector<vi> #define vii vector<ii> #define gii greater<ii> #define pb push_back #define fi first #define se second #define INF 1e10 #define unsigned u #define eps 1e-18 #define eps1 1e-25 #define optimise ios_base::sync_with_stdio(false);cin.tie(NULL); #define MAX_A 100005 #define V 450 #define re register #define maxi(a,b) ((a) > (b) ? (a) : (b)) ll MOD = 998244353; using namespace std; vi p; int findSet(int x){return (p[x] == x ? x : p[x] = findSet(x));} bool isSameSet(int x, int y){return findSet(x) == findSet(y);} void unionSet(int x, int y){ int i = findSet(x), j = findSet(y); p[i] = j; } int construct(int n, int r, vector<int> a, vector<int> b, vector<int> x) { p.resize(n); ve<char> s(n); for(int i = 0 ; i < n; i++){ p[i] = i; } for (int i = 0; i < n; ++i) { if(x[i] == 1){ for (int j = a[i]; j <= b[i]; ++j) { unionSet(i,j); } } } for (int i = 0; i < n; ++i) { bool p = false; if(x[i] == 2){ for (int j = a[i]; j <= b[i]; ++j) { if(!isSameSet(i,j)){ p = true; } } if(!p) return 0; } } char p = 'R'; s[0] = p; for (int i = 1; i < n; ++i) { if(isSameSet(i,i-1)){ s[i] = p; } else { if(p == 'R') p = 'B'; else p = 'R'; s[i] = p; } } craft(s); return 1; }

컴파일 시 표준 에러 (stderr) 메시지

gift.cpp: In function 'int construct(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
gift.cpp:77:11: error: invalid initialization of reference of type 'std::string&' {aka 'std::__cxx11::basic_string<char>&'} from expression of type 'std::vector<char>'
   77 |     craft(s);
      |           ^
In file included from gift.cpp:2:
gift.h:5:25: note: in passing argument 1 of 'void craft(std::string&)'
    5 | void craft(std::string &s);
      |            ~~~~~~~~~~~~~^