제출 #713949

#제출 시각아이디문제언어결과실행 시간메모리
713949Stickfish컴퓨터 네트워크 (BOI14_network)C++17
100 / 100
110 ms7996 KiB
#include "network.h" #include <vector> using namespace std; void findRoute (int N, int a, int b) { vector<int> depth(N + 1); vector<vector<int>> rdepth(N); for (int i = 1; i <= N; ++i) { if (i != b) depth[i] = ping(i, b) + 1; rdepth[depth[i]].push_back(i); } int v = a; while (v != b) { for (auto u : rdepth[depth[v] - 1]) { if (ping(v, u) + 1 == 1) { v = u; travelTo(v); break; } } } }

컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:48:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |     scanf ("%d%d%d%d", &N, &a, &b, &M);
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
grader.c:51:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |             scanf("%d", &distance[u][v]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
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