Submission #880778

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
880778	2023-11-30 03:41:03	WeIlIaN	스파이 (JOI13_spy)	C++14	100 / 100	126 ms	20944 KiB

spy

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#include <iostream>
#include <algorithm>
#include <vector>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <stack>
#include <cmath>
#include <climits>
#include <iomanip>
using namespace std;
#define MOD 1000000007
#define fir first
#define sec second
#define mp make_pair
#define pushf push_front
#define pushb push_back
#define popf pop_front
#define popb pop_back
#define all(a) a.begin(), a.end()
#define FOR(i, s, e) for(int i = s; i < e; i++)
#define RFOR(i, s, e) for(int i = e-1; i >= s; i--)
#define REP(i, n) FOR(i, 0, n)
#define RREP(i, n) RFOR(i, 0, n)
#pragma GCC optimize(" unroll-loops")
 
 
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Compilation message (stderr)

spy.cpp:31: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
   31 | #pragma gcc optimize("Ofast")
      | 
spy.cpp:32: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   32 | #pragma GCC optimization("Ofast")
      | 
spy.cpp:30:37: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas]
   30 | #pragma GCC optimize(" unroll-loops")
      |                                     ^
spy.cpp:70:16: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]
   70 | void dfs1(int u) {
      |                ^
spy.cpp:79:16: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]
   79 | void dfs2(int u) {
      |                ^
spy.cpp:88:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]
   88 | int main() {
      |          ^
spy.cpp: In function 'int main()':
spy.cpp:89:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |     scanf("%d%d", &N, &M);
      |     ~~~~~^~~~~~~~~~~~~~~~
spy.cpp:92:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   92 |             scanf("%d", &a);
      |             ~~~~~^~~~~~~~~~
spy.cpp:98:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   98 |         scanf("%d%d", &r, &s);
      |         ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 70 / 70