Submission #156126

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
156126	2019-10-03 14:55:51	Flying_dragon_02	우호 조약 체결 (JOI14_friends)	C++14	100 / 100	133 ms	18424 KiB

friends

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#include <bits/stdc++.h>
 
using namespace std;
 
#define fi first
#define se second
#define pb push_back
#define mp make_pair
 
typedef pair<int, int> ii;
 
const int mod = 1e9 + 7;
 
const int inf = 1e9;
 
int add(int x, int y) {
    return (1ll * x + 1ll * y) % mod;
}
 
int del(int x, int y) {
    return ((1ll * x - 1ll * y) % mod + mod) % mod;
}
 
int mul(int x, int y) {
    return (1ll * x * 1ll * y) % mod;
}
 
const int N = 2e5 + 5;
 
int n, m, pSet[N], sz[N];
 
 
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Compilation message (stderr)

friends.cpp: In function 'void dfs()':
friends.cpp:57:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i < graph[u].size(); i++) {
                        ~~^~~~~~~~~~~~~~~~~
friends.cpp: In function 'int main()':
friends.cpp:81:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j = 0; j < graph[i].size() - 1; j++)
                            ~~^~~~~~~~~~~~~~~~~~~~~
friends.cpp:86:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j = 0; j < graph[i].size(); j++) {
                        ~~^~~~~~~~~~~~~~~~~
friends.cpp:102:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j = 0; j < graph[i].size(); j++) {
                        ~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 65 / 65