제출 #930655

#제출 시각아이디문제언어결과실행 시간메모리
930655Der_Vlapos철로 (IOI14_rail)C++17
컴파일 에러
0 ms0 KiB
#include "rail.h" #include <bits/stdc++.h> using namespace std; #define pii pair<int, int> #define f first #define s second #define pb push_back #define all(v) v.begin(), v.end() vector<vector<int>> dists; vector<int> loc, tp; int n; int cnt = 0; void mark(int v, int pr, int T) { assert(tp[v]); vector<pii> vals; for (int i = 0; i < n; ++i) if (!tp[i]) { assert(!dists[v][i] and !dists[i][v]); int toD = getDistance(v, i); cnt++; assert(cnt <= (n) * (n - 1) / 2); dists[v][i] = toD; vals.pb({toD, i}); } sort(all(vals)); for (int i = 0; i < vals.size(); ++i) { if (!tp[vals[i].s] and (pr == -1 or dists[pr][vals[i].s] > dists[v][vals[i].s])) { int to = vals[i].s; tp[to] = 2 - T; loc[to] = (T ? loc[v] - vals[i].f : loc[v] + vals[i].f); mark(to, v, 1 - T); } } } void findLocation(int N, int first, int location[], int stype[]) { n = N; loc.resize(N); tp.resize(N); dists.resize(N, vector<int>(N)); loc[0] = first; tp[0] = 1; mark(0, -1, 0); for (int i = 0; i < n; ++i) { location[i] = loc[i]; stype[i] = tp[i]; // cout << stype[i] << " " << location[i] << " " << i << "!\n"; } } // /* This is sample grader for the contestant */ // #include <unistd.h> // #include <stdlib.h> // #include <stdio.h> // #include <string.h> // #include <assert.h> // #include "rail.h" // typedef struct Station // { // int index; // int type; // int location; // int L, R; // } STATION; // long long cnt; // static int S, SUBTASK; // static STATION stations[10004]; // int cmp_fun_1(const void *a, const void *b) // { // STATION c, d; // c = *(STATION *)(a); // d = *(STATION *)(b); // return c.location < d.location ? -1 : 1; // } // int cmp_fun_2(const void *a, const void *b) // { // STATION c, d; // c = *(STATION *)(a); // d = *(STATION *)(b); // return c.index < d.index ? -1 : 1; // } // void now_I_want_to_getLR() // { // int now = stations[S - 1].index, i; // for (i = S - 2; i >= 0; i--) // { // stations[i].R = now; // if (stations[i].type == 2) // now = stations[i].index; // } // now = stations[0].index; // for (i = 1; i < S; i++) // { // stations[i].L = now; // if (stations[i].type == 1) // now = stations[i].index; // } // } // int getDistance(int x, int y) // { // cnt++; // if (x == y) // return 0; // if (x < 0 || x >= S || y < 0 || y >= S) // return -1; // if (stations[x].location > stations[y].location) // { // int tmp = x; // x = y; // y = tmp; // } // int ret = 0; // if (stations[x].type == 1 && stations[y].type == 1) // { // ret = stations[stations[y].R].location - stations[x].location + stations[stations[y].R].location - stations[y].location; // } // else if (stations[x].type == 1 && stations[y].type == 2) // { // ret = stations[y].location - stations[x].location; // } // else if (stations[x].type == 2 && stations[y].type == 2) // { // ret = stations[x].location - stations[stations[x].L].location + stations[y].location - stations[stations[x].L].location; // } // else if (stations[x].type == 2 && stations[y].type == 1) // { // ret = stations[x].location - stations[stations[x].L].location + stations[stations[y].R].location - stations[stations[x].L].location + stations[stations[y].R].location - stations[y].location; // } // return ret; // } // void getInput() // { // int g; // g = scanf("%d", &SUBTASK); // g = scanf("%d", &S); // int s; // for (s = 0; s < S; s++) // { // int type, location; // g = scanf(" %d %d", &type, &location); // stations[s].index = s; // stations[s].location = location; // stations[s].type = type; // stations[s].L = -1; // stations[s].R = -1; // } // qsort(stations, S, sizeof(STATION), cmp_fun_1); // now_I_want_to_getLR(); // qsort(stations, S, sizeof(STATION), cmp_fun_2); // } // int serverGetStationNumber() // { // return S; // } // int serverGetSubtaskNumber() // { // return SUBTASK; // } // int serverGetFirstStationLocation() // { // return stations[0].location; // } // int main() // { // int i; // getInput(); // cnt = 0; // int location[10005]; // int type[10005]; // int ok = 1; // findLocation(S, serverGetFirstStationLocation(), location, type); // if (SUBTASK == 3 && cnt > S * (S - 1)) // ok = 0; // if (SUBTASK == 4 && cnt > 3 * (S - 1)) // ok = 0; // for (i = 0; i < S; i++) // if (type[i] != stations[i].type || location[i] != stations[i].location) // ok = 0; // if (ok == 0) // printf("Incorrect"); // else // printf("Correct"); // return 0; // }

컴파일 시 표준 에러 (stderr) 메시지

rail.cpp: In function 'void mark(int, int, int)':
rail.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i = 0; i < vals.size(); ++i)
      |                     ~~^~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccHVUNd6.o:(.bss+0x0): multiple definition of `cnt'; /tmp/cc5XWsI9.o:(.bss+0x0): first defined here
collect2: error: ld returned 1 exit status