제출 #483686

#제출 시각아이디문제언어결과실행 시간메모리
483686yusufake팀들 (IOI15_teams)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> #include "teams.h" using namespace std; #define mp make_pair #define st first #define nd second #define N 500005 #define tm (tl+tr >> 1) int s[N * 20], L[N * 20], R[N * 20], root[N], nw; int update(int v, int tl, int tr, int i){ if(tl > i || tr < i) return v; int w = ++nw; if(tl < tr){ L[w] = update(L[v], tl, tm, i); R[w] = update(R[v], tm+1, tr, i); } s[w] = s[v] + 1; return w; } int query(int a, int b, int tl, int tr, int l, int r){ if(tl > r || tr < l) return 0; if(tl >= l && tr <= r) return s[a] - s[b]; return query(L[a], L[b], tl, tm, l, r) + query(R[a], R[b], tm+1, tr, l, r); } int binary_search(int a, int b, int tl, int tr, int k){ if(tl == tr) return tl; if(s[ L[a] ] - s[ L[b] ] < k) return binary_search(R[a], R[b], tm+1, tr, k - (s[ L[a] ] - s[ L[b] ])); return binary_search(L[a], L[b], tl, tm, k); } int n; int can(int m, int *K){ stack < pair < int , pair<int, int> > > S; S.push(mp(0, mp(N, 0))); sort(K, K + m); for(int i = 0; i < m; i++){ int las, req, x; las = req = x = K[i]; int ex = 0; for(;;){ int y = S.top().st; int z = S.top().nd.st; if(z < las){ S.pop(); continue; } if(z == las){ ex += S.top().nd.nd; S.pop(); continue; } int l = binary_search(root[x], root[y], 1, n, req + ex + query(root[x], root[y], 1, n, 1, las-1) ); if(l >= (t = S.top().nd.st)){ req -= query(root[x], root[y], 1, n, las, t-1) - ex; las = t; ex = S.top().nd.nd; S.pop(); continue; } else{ req -= query(root[x], root[y], 1, n, las, l) - ex; if(req > 0) return 0; ex = req + query(root[x], root[y], 1, n, l, l); S.push(mp(x, mp(l, ex))); break; } } } return 1; } vector < int > V[N]; void init(int ss, int *a, int *b){ n = ss; for(int i = 0; i < n; i++) V[ a[i] ].push_back(b[i]); int p = 0; for(i = 1; i <= n; i++){ for(auto t: V[i]) p = update(p, 1, n, t); root[i] = p; } }

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'int update(int, int, int, int)':
teams.cpp:9:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 | #define tm (tl+tr >> 1)
      |             ~~^~~
teams.cpp:17:33: note: in expansion of macro 'tm'
   17 |         L[w] = update(L[v], tl, tm, i);
      |                                 ^~
teams.cpp:9:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 | #define tm (tl+tr >> 1)
      |             ~~^~~
teams.cpp:18:29: note: in expansion of macro 'tm'
   18 |         R[w] = update(R[v], tm+1, tr, i);
      |                             ^~
teams.cpp: In function 'int query(int, int, int, int, int, int)':
teams.cpp:9:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 | #define tm (tl+tr >> 1)
      |             ~~^~~
teams.cpp:27:34: note: in expansion of macro 'tm'
   27 |     return query(L[a], L[b], tl, tm, l, r) + query(R[a], R[b], tm+1, tr, l, r);
      |                                  ^~
teams.cpp:9:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 | #define tm (tl+tr >> 1)
      |             ~~^~~
teams.cpp:27:64: note: in expansion of macro 'tm'
   27 |     return query(L[a], L[b], tl, tm, l, r) + query(R[a], R[b], tm+1, tr, l, r);
      |                                                                ^~
teams.cpp: In function 'int binary_search(int, int, int, int, int)':
teams.cpp:9:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 | #define tm (tl+tr >> 1)
      |             ~~^~~
teams.cpp:33:42: note: in expansion of macro 'tm'
   33 |         return binary_search(R[a], R[b], tm+1, tr, k - (s[ L[a] ] - s[ L[b] ]));
      |                                          ^~
teams.cpp:9:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    9 | #define tm (tl+tr >> 1)
      |             ~~^~~
teams.cpp:34:42: note: in expansion of macro 'tm'
   34 |     return binary_search(L[a], L[b], tl, tm, k);
      |                                          ^~
teams.cpp: In function 'int can(int, int*)':
teams.cpp:60:22: error: 't' was not declared in this scope
   60 |             if(l >= (t = S.top().nd.st)){
      |                      ^
teams.cpp: In function 'void init(int, int*, int*)':
teams.cpp:88:9: error: 'i' was not declared in this scope
   88 |     for(i = 1; i <= n; i++){
      |         ^