oj.uz

Submission #737009

# Submission time Handle Problem Language Result Execution time Memory
737009 2023-05-06T12:58:45 Z josanneo22 Paths (BOI18_paths) C++17
0 / 100
 16 ms 19452 KB 
#include<bits/stdc++.h>
using namespace std;

#define pb push_back
#define pii pair<int,int>
#define fi first
#define se second 


void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename A>
void __print(const A &x);
template <typename A, typename B>
void __print(const pair<A, B> &p);
template <typename... A>
void __print(const tuple<A...> &t);
template <typename T>
void __print(stack<T> s);
template <typename T>
void __print(queue<T> q);
template <typename T, typename... U>
void __print(priority_queue<T, U...> q);
template <typename A>
void __print(const A &x) {
    bool first = true;
    cerr << '{';
    for (const auto &i : x) {
        cerr << (first ? "" : ","), __print(i);
        first = false;
    }
    cerr << '}';
}
template <typename A, typename B>
void __print(const pair<A, B> &p) {
    cerr << '(';
    __print(p.first);
    cerr << ',';
    __print(p.second);
    cerr << ')';
}
template <typename... A>
void __print(const tuple<A...> &t) {
    bool first = true;
    cerr << '(';
    apply([&first](const auto &...args) { ((cerr << (first ? "" : ","), __print(args), first = false), ...); }, t);
    cerr << ')';
}
template <typename T>
void __print(stack<T> s) {
    vector<T> debugVector;
    while (!s.empty()) {
        T t = s.top();
        debugVector.push_back(t);
        s.pop();
    }
    reverse(debugVector.begin(), debugVector.end());
    __print(debugVector);
}
template <typename T>
void __print(queue<T> q) {
    vector<T> debugVector;
    while (!q.empty()) {
        T t = q.front();
        debugVector.push_back(t);
        q.pop();
    }
    __print(debugVector);
}
template <typename T, typename... U>
void __print(priority_queue<T, U...> q) {
    vector<T> debugVector;
    while (!q.empty()) {
        T t = q.top();
        debugVector.push_back(t);
        q.pop();
    }
    __print(debugVector);
}
void _print() { cerr << "]\n"; }
template <typename Head, typename... Tail>
void _print(const Head &H, const Tail &...T) {
    __print(H);
    if (sizeof...(T))
        cerr << ", ";
    _print(T...);
}
#ifndef ONLINE_JUDGE
#define debug(...) cerr << "Line:" << __LINE__ << " [" << #__VA_ARGS__ << "] = ["; _print(__VA_ARGS__)
#else
#define debug(...)
#endif


#define int long long
char buf[1<<23],*p1=buf,*p2=buf;
#define getchar() (p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++)
inline int rd()
{
	int s=0;
	char ch=getchar(),last;
	while(ch<'0'||ch>'9') last=ch,ch=getchar();
	while(ch>='0'&&ch<='9') s=(s<<1)+(s<<3)+(ch^48),ch=getchar();
	return last=='-'?-s:s;
}
int num[100];
inline void rt(int x)
{
	if(x<0) putchar('-'),x=-x;;
	int len=0;
	do num[len++]=x%10;while(x/=10);
	while(len--) putchar(num[len]+'0');
}
const int maxn=3e5+5;
vector<int> c(maxn),a(maxn),b(maxn);
int dp[32][maxn];
void solve(){
    int n=rd(),m=rd(),k=rd();
    for(int i=1;i<=n;i++){
        c[i]=rd();
        c[i]--;
        dp[i][(1<<c[i])]=1;
    }
    for(int i=1;i<=m;i++) a[i]=rd(),b[i]=rd();
    int ans=0;
    for(int bt=1;bt<(1<<k);bt++){
        if(__builtin_popcountll(bt) == 1) {
            continue;
        }
        for(int i=1;i<=m;i++){
            if(bt&(1<<c[a[i]])) dp[a[i]][bt]+=dp[b[i]][bt^(1<<c[a[i]])];
            if(bt&(1<<c[b[i]])) dp[b[i]][bt]+=dp[a[i]][bt^(1<<c[b[i]])];
        }
        for(int i=1;i<=n;i++) ans+=dp[i][bt];
    }
    rt(ans);
}
signed main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	solve();
}

Compilation message

paths.cpp: In function 'long long int rd()':
paths.cpp:115:18: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized]
  115 |  return last=='-'?-s:s;
      |         ~~~~~~~~~^~~~~

Subtask #1
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Runtime error 13 ms 15112 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 16 ms 19452 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7636 KB Output is correct
2 Runtime error 13 ms 15112 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7380 KB Output is correct
2 Runtime error 15 ms 16852 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -