제출 #104951

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
104951	2019-04-10 00:18:41	eriksuenderhauf	One-Way Streets (CEOI17_oneway)	C++11	100 / 100	375 ms	72680 KiB

oneway

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//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define enl printf("\n")
#define case(t) printf("Case #%d: ", (t))
#define ni(n) scanf("%d", &(n))
#define nl(n) scanf("%I64d", &(n))
#define nai(a, n) for (int i = 0; i < (n); i++) ni(a[i])
#define nal(a, n) for (int i = 0; i < (n); i++) nl(a[i])
#define pri(n) printf("%d\n", (n))
#define prl(n) printf("%I64d\n", (n))
#define pii pair<int, int>
#define pll pair<long long, long long>
#define vii vector<pii>
#define vi vector<int>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
typedef long long ll;
const double pi = acos(-1);
const int MOD = 1e9 + 7;
const int INF = 1e9 + 7;
const int MAXN = 1e5 + 5;
const double eps = 1e-9;
int U[MAXN], V[MAXN], ans[MAXN], br[MAXN], id[MAXN];
bool vis[MAXN], mrk[MAXN];
int low[MAXN], disc[MAXN];
int npar[20][MAXN], depth[MAXN], f[MAXN];
int qry[MAXN][3];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

oneway.cpp: In function 'int main()':
oneway.cpp:123:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     ni(n), ni(m);
          ^
oneway.cpp:123:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
oneway.cpp:126:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         ni(U[i]), ni(V[i]);
                 ^
oneway.cpp:126:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
oneway.cpp:5:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 #define ni(n) scanf("%d", &(n))
               ~~~~~^~~~~~~~~~~~
oneway.cpp:145:5: note: in expansion of macro 'ni'
     ni(p);
     ^~
oneway.cpp:149:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         ni(u), ni(v);
              ^
oneway.cpp:149:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40