제출 #42895

#제출 시각아이디문제언어결과실행 시간메모리
42895PowerOfNinjaGoGap (APIO16_gap)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define X first #define Y second #define pb push_back #define mp make_pair typedef pair<int, int> ii; typedef vector<int> vi; typedef vector< ii > vii; typedef long long L; typedef vector< L > vL; typedef vector< vL > vvL; typedef vector< vi > vvi; typedef vector< vii > vvii; const int inf = 1e9; const L inf8 = 1e18; int p[300005], c[300005]; struct node { L a, b; priority_queue<L> *pq; node operator+(node r) { node res; res.a = a + r.a; res.b = b + r.b; if(pq->size()> r.pq->size()) { res.pq = pq; while(r.pq->size()> 0) { res.pq->push(r.pq->top()); r.pq->pop(); } } else { res.pq = r.pq; while(pq->size()> 0) { res.pq->push(pq->top()); pq->pop(); } } return res; } }; node f[300005]; int main() { int n, m; scanf("%d %d", &n, &m); for(int i = 2; i<= n+m; i++) scanf("%d %d", p+i, c+i); for(int i = 1; i<= n+m; i++) { f[i].a = f[i].b = 0; f[i].pq = new priority_queue<L>; } for(int i = n+1; i<= n+m; i++) { f[i].a = 1; f[i].b = -c[i]; f[i].pq->push(c[i]); f[i].pq->push(c[i]); f[p[i]] = f[p[i]]+f[i]; } for(int i = n; i> 1; i--) { while(f[i].a> 1) { f[i].b += f[i].pq->top(); f[i].pq->pop(); f[i].a--; } L k1 = f[i].pq->top(); f[i].pq->pop(); L k2 = f[i].pq->top(); f[i].pq->pop(); f[i].pq->push(k1+c[i]); f[i].pq->push(k2+c[i]); f[i].b -= c[i]; f[p[i]] = f[p[i]]+f[i]; } while(f[1].a> 0) { f[1].a--; f[1].b += f[1].pq->top(); f[1].pq->pop(); } cout << f[1].b << endl; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

gap.cpp: In function 'int main()':
gap.cpp:49:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n, m; scanf("%d %d", &n, &m);
                                  ^
gap.cpp:50:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 2; i<= n+m; i++) scanf("%d %d", p+i, c+i);
                                                       ^
/tmp/ccHwvJA2.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccHPZZCe.o:gap.cpp:(.text.startup+0x0): first defined here
/tmp/ccHwvJA2.o: In function `main':
grader.cpp:(.text.startup+0x1ae): undefined reference to `findGap(int, int)'
collect2: error: ld returned 1 exit status