제출 #686665

#제출 시각아이디문제언어결과실행 시간메모리
686665ethening곤돌라 (IOI14_gondola)C++17
컴파일 에러
0 ms0 KiB
#include "bits/stdc++.h" using namespace std; using ll = long long; using pii = pair<int, int>; #define DEBUG 0 int subtask; int n; vector<int> a; bool check(vector<int> &a) { unordered_map<int, int> pos; for (int i = 0; i < n; i++) { if (pos.count(a[i])) { return false; } else { pos[a[i]] = i; } } int mnVal = -1; int mnPos = -1; for (int i = 1; i <= n; i++) { if (pos.count(i)) continue; if (mnVal == -1) { mnVal = i; mnPos = pos[i]; } else { int curVal = i; int curPos = pos[i]; int expectPos = (mnPos + (curVal - mnVal)) % n; if (expectPos != curPos) return false; } } return true; } vector<int> rotate(vector<int> &a) { vector<int> ret(n); int mnDex = 0; int mnVal = a[0]; for (int i = 0; i < n; i++) { if (a[i] < mnVal) { mnVal = a[i]; mnDex = i; } } if (mnVal > n) return a; for (int i = mnDex, j = mnVal - 1; i < mnDex + n; i++, j++) { ret[j % n] = a[i % n]; } return ret; } void construct(vector<int> &a) { const int MAXV = 250000; int mxDex = 0; int mxVal = a[0]; vector<int> pos(MAXV + 5, -1); for (int i = 0; i < n; i++) { if (a[i] > mxVal) { mxVal = a[i]; mxDex = i; } pos[a[i]] = i; } cout << mxVal - n << "\n"; int tmp = mxDex + 1; for (int i = n + 1; i <= mxVal; i++) { if (pos[i] == -1 || i == mxVal) { cout << tmp << "\n"; tmp = i; } else { cout << pos[i] + 1 << "\n"; } } } int main() { cin.tie(0)->sync_with_stdio(0); cin >> subtask; cin >> n; a = vector<int>(n); for (int i = 0; i < n; i++) { cin >> a[i]; } if (subtask <= 3) { bool valid = check(a); cout << (valid ? 1 : 0) << "\n"; } else if (subtask <= 6) { a = rotate(a); if (DEBUG) { for (int i = 0; i < n; i++) { cout << a[i] << " \n"[i == n - 1]; } } construct(a); } else { bool valid = check(a); if (!valid) { cout << 0 << "\n"; return 0; } } }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccnc21uQ.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccLvhtVS.o:gondola.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccnc21uQ.o: in function `main':
grader.cpp:(.text.startup+0xb6): undefined reference to `valid'
/usr/bin/ld: grader.cpp:(.text.startup+0x108): undefined reference to `countReplacement'
/usr/bin/ld: grader.cpp:(.text.startup+0x132): undefined reference to `replacement'
collect2: error: ld returned 1 exit status