結果
問題 |
No.1120 Strange Teacher
|
ユーザー |
![]() |
提出日時 | 2020-07-22 21:59:18 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,298 bytes |
コンパイル時間 | 1,957 ms |
コンパイル使用メモリ | 191,972 KB |
最終ジャッジ日時 | 2025-01-12 02:42:17 |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 24 WA * 3 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:37:23: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] 37 | else printf("%d\n", abs(a[0] - b[0])); | ~^ ~~~~~~~~~~~~~~~~ | | | | int long long int | %lld main.cpp:30:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 30 | scanf("%d", &n); | ~~~~~^~~~~~~~~~ main.cpp:33:20: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 33 | rep(i, n) scanf("%lld", &a[i]); | ~~~~~^~~~~~~~~~~~~~~ main.cpp:34:20: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 34 | rep(i, n) scanf("%lld", &b[i]), sum += a[i] - b[i], cnt += (a[i]%2 == b[i]%2); | ~~~~~^~~~~~~~~~~~~~~
ソースコード
#include <bits/stdc++.h> #define For(i, a, b) for(int (i)=(int)(a); (i)<(int)(b); ++(i)) #define rFor(i, a, b) for(int (i)=(int)(a)-1; (i)>=(int)(b); --(i)) #define rep(i, n) For((i), 0, (n)) #define rrep(i, n) rFor((i), (n), 0) #define fi first #define se second using namespace std; typedef long long lint; typedef unsigned long long ulint; typedef pair<int, int> pii; typedef pair<lint, lint> pll; template<class T> bool chmax(T &a, const T &b){if(a<b){a=b; return true;} return false;} template<class T> bool chmin(T &a, const T &b){if(a>b){a=b; return true;} return false;} template<class T> T div_floor(T a, T b){ if(b < 0) a *= -1, b *= -1; return a>=0 ? a/b : (a+1)/b-1; } template<class T> T div_ceil(T a, T b){ if(b < 0) a *= -1, b *= -1; return a>0 ? (a-1)/b+1 : a/b; } constexpr lint mod = 1000000007; constexpr lint INF = mod * mod; constexpr int MAX = 200010; int main(){ int n; scanf("%d", &n); lint a[n], b[n], sum = 0; int cnt = 0; rep(i, n) scanf("%lld", &a[i]); rep(i, n) scanf("%lld", &b[i]), sum += a[i] - b[i], cnt += (a[i]%2 == b[i]%2); if(n == 2){ if(sum != 0) puts("-1"); else printf("%d\n", abs(a[0] - b[0])); return 0; } printf("%lld\n", cnt % n == 0 && sum % (n-2) == 0 ? sum / (n-2) : -1); }