제출 #656401

#제출 시각아이디문제언어결과실행 시간메모리
656401ssense슈퍼트리 잇기 (IOI20_supertrees)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "supertrees.h" #define startt ios_base::sync_with_stdio(false);cin.tie(0); typedef long long ll; using namespace std; #define vint vector<int> #define all(v) v.begin(), v.end() #define MOD 1000000007 #define MOD2 998244353 #define MX 1000000000 #define MXL 1000000000000000000 #define PI (ld)2*acos(0.0) #define pb push_back #define sc second #define fr first #define int long long #define endl '\n' #define ld long double #define NO cout << "NO" << endl #define YES cout << "YES" << endl int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu int p[1005]; int sz[1005]; void init(int n) { for(int i = 0; i < n; i++) { p[i] = i; sz[i] = i; } } int find(int i) { if(i != p[i]) {return find(p[i]);} return i; } void usets(int u, int v) { if(sz[u] <= sz[v]) { swap(u, v); } p[find(v)] = find(u); } int construct(int[][] p) { int n = sizeof(p[0])/sizeof(p[0][0]); init(1000); for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(p[i][j] == 1) { usets(i, j); } } } for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(p[i][j] == 0 && find(i) == find(j)) { return 0; } } } int build[n][n]; for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { build[i][j] = 0; } } vector<bool> vis(n, false); for(int i = 0; i < n; i++) { int now = i; while(!vis[now]) { vis[now] = true; build[now][p[now]] = 1; now = p[now]; } } build(build); return 1; }

컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In member function 'void prefix_sum::build(std::vector<long long int>)':
supertrees.cpp:21:667: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 | int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu
      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         ~~^~~~~~~~~~
supertrees.cpp: At global scope:
supertrees.cpp:52:21: error: multidimensional array must have bounds for all dimensions except the first
   52 | int construct(int[][] p)
      |                     ^
supertrees.cpp:52:23: error: expected ',' or '...' before 'p'
   52 | int construct(int[][] p)
      |                       ^
supertrees.cpp: In function 'long long int construct()':
supertrees.cpp:54:37: error: invalid types 'long long int[int]' for array subscript
   54 |     int n = sizeof(p[0])/sizeof(p[0][0]);
      |                                     ^
supertrees.cpp:60:20: error: invalid types 'long long int[long long int]' for array subscript
   60 |             if(p[i][j] == 1)
      |                    ^
supertrees.cpp:70:20: error: invalid types 'long long int[long long int]' for array subscript
   70 |             if(p[i][j] == 0 && find(i) == find(j))
      |                    ^
supertrees.cpp:95:16: error: 'build' cannot be used as a function
   95 |     build(build);
      |                ^