제출 #1041797

#제출 시각아이디문제언어결과실행 시간메모리
1041797Halym2007자매 도시 (APIO20_swap)C++17
0 / 100
163 ms15604 KiB
#include<bits/stdc++.h> //#include "swap.h" using namespace std; #define pb push_back #define ff first #define ss second #define sz size() #define pii pair <int, int> vector <int> V, U, W; int subtask2 = 0, n, m; set <pii> s; map <int, int> mp; void init(int N, int M, vector<int> U1, vector<int> V1, vector<int> W1) { n = N;m = M;V = V1;U = U1, W = W1; for (int i = 0; i < m; ++i) { if (U[i]) { subtask2 = 1; // break; } s.insert ({W[i], V[i]}); mp[V[i]] = W[i]; } } int getMinimumFuelCapacity(int X, int Y) { if (!subtask2) { if (m <= 2 or X == 0 or Y == 0) return -1; for (pii i : s) { if (i.ss != X and i.ss != Y) { return max ({i.ff, mp[X], mp[Y]}); } } } } //#include <cassert> //#include <cstdio> // //#include <string> //#include <vector> // //int main() { // freopen ("input.txt", "r", stdin); // int N, M; // assert(2 == scanf("%d %d", &N, &M)); // // std::vector<int> U(M), V(M), W(M); // for (int i = 0; i < M; ++i) { // assert(3 == scanf("%d %d %d", &U[i], &V[i], &W[i])); // } // // int Q; // assert(1 == scanf("%d", &Q)); // // std::vector<int> X(Q), Y(Q); // for (int i = 0; i < Q; ++i) { // assert(2 == scanf("%d %d", &X[i], &Y[i])); // } // // init(N, M, U, V, W); // // std::vector<int> minimum_fuel_capacities(Q); // for (int i = 0; i < Q; ++i) { // minimum_fuel_capacities[i] = getMinimumFuelCapacity(X[i], Y[i]); // } // // for (int i = 0; i < Q; ++i) { // printf("%d\n", minimum_fuel_capacities[i]); // } // // return 0; //}

컴파일 시 표준 에러 (stderr) 메시지

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type]
   36 | }
      | ^
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