Submission #1145224

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1145224	2025-02-04 11:04:11	Medetbek	Trampoline (info1cup20_trampoline)	C++20	Compilation error	0 ms	0 KiB

trampoline

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//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
#include <bits/stdc++.h>
#define ll long long
#define int long long
#define all(v) v.begin(), v.end()
#define nl '\n'
#define pb push_back
#define sz(s) (int)(s).size()
#define f first
#define s second
#define boost ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
const ll N = 1e5+10, MX = 1e18+1, MOD = 1e9 + 7;
void solve(){
    ll R, C, n;
    cin >> R >> C >> n;
    ll N = R, M = C;
    set <int> g[N+2];
    for(int i = 1; i <= n; i++){
        ll x, y;
        cin >> x >> y;
        a[x][y] = 1;
        g[x].insert(y);
    }
    ll q;
    cin >> q;
    while(q--){
 
 
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Compilation message (stderr)

trampoline.cpp: In function 'void solve()':
trampoline.cpp:25:9: error: 'a' was not declared in this scope
   25 |         a[x][y] = 1;
      |         ^
trampoline.cpp: At global scope:
trampoline.cpp:62:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   62 | main(){
      | ^~~~