Language: C++

#include <bits/stdc++.h>
 
#define _overload(_1,_2,_3,name,...) name
#define _rep(i,n) _range(i,0,n)
#define _range(i,a,b) for(int i=int(a);i<int(b);++i)
#define rep(...) _overload(__VA_ARGS__,_range,_rep,)(__VA_ARGS__)
 
#define _rrep(i,n) _rrange(i,n,0)
#define _rrange(i,a,b) for(int i=int(a)-1;i>=int(b);--i)
#define rrep(...) _overload(__VA_ARGS__,_rrange,_rrep,)(__VA_ARGS__)
 
#define _all(arg) begin(arg),end(arg)
#define uniq(arg) sort(_all(arg)),(arg).erase(unique(_all(arg)),end(arg))
#define getidx(ary,key) lower_bound(_all(ary),key)-begin(ary)
#define clr(a,b) memset((a),(b),sizeof(a))
#define bit(n) (1LL<<(n))
#define popcount(n) (__builtin_popcountll(n))
 
using namespace std;
 
template<class T>bool chmax(T &a, const T &b) { return (a<b)?(a=b,1):0;}
template<class T>bool chmin(T &a, const T &b) { return (b<a)?(a=b,1):0;}
 
using ll=long long;
using R=long double;
const R EPS=1e-9; // [-1000,1000]->EPS=1e-8 [-10000,10000]->EPS=1e-7
inline int sgn(const R& r){return(r > EPS)-(r < -EPS);}
inline R sq(R x){return sqrt(max<R>(x,0.0));}
 
const int dx[8]={1,0,-1,0,1,-1,-1,1};
const int dy[8]={0,1,0,-1,1,1,-1,-1};
 
// Problem Specific Parameter:
const ll inf=1LL<<50;
 

//Appropriately Changed
using W = ll;
using edge = struct {int to, rev; W cap, flow;};
using G = vector<vector<edge>>;

//Appropriately Changed
void add_edge(G &graph, int from, int to, W cap) {
    graph[from].push_back({to, int(graph[to].size()) , cap , 0});
    graph[to].push_back({from, int(graph[from].size()) - 1, 0 , 0});
}


W dinic(G &graph, int s, int t) {
    const int n = graph.size();
    vector<int> level(n), iter(n);

    auto bfs = [&](int s, int t) {
        fill(begin(level), end(level), -1);
        queue<int> q;
        level[s] = 0, q.push(s);

        while (!q.empty()) {
            int v = q.front(); q.pop();
            for (auto &e : graph[v]) {
                if (level[e.to] == - 1 and e.cap > e.flow) {
                    level[e.to] = level[v] + 1,;
                    q.push(e.to);
                }
            }
        }
        return (level[t] !=  -1);
    };

    auto dfs = [&](int v, int t, W f) {
        auto func = [&](int v, int t, W f, auto func)->W{

            if (v == t) return f;
            for (int &i = iter[v]; i < graph[v].size(); i++) {
                edge &e = graph[v][i];

                if (e.cap > e.flow and level[v] < level[e.to]) {

                    W d = func(e.to, t, min(f, e.cap - e.flow), func);

                    if (d > 0) {
                        e.flow += d, graph[e.to][e.rev].flow -= d;
                        return d;
                    }
                }
            }

            return 0;
        };
        return func(v, t, f, func);
    };

    while (bfs(s, t)) {
        fill(begin(iter), end(iter), 0);
        while (dfs(s, t, inf) != 0 );
    }

    W ret = 0;
    for (auto &e : graph[s]) ret += e.flow;
    return ret;
}
 
int main(void){
    int v,e;
    cin >> v >> e;
    G graph(v);
    rep(i,e){
        int a,b,c;
        cin >> a >> b >> c;
        add_edge(graph,a,b,c);
    }
    cout << dinic(graph,0,v-1,inf) << endl;
    return 0;
}

Compiler output:
a.cc: In lambda function:
a.cc:62:48: error: expected primary-expression before ';' token
   62 |                     level[e.to] = level[v] + 1,;
      |                                                ^
a.cc: In function 'int main()':
a.cc:112:18: error: too many arguments to function 'W dinic(G&, int, int)'
  112 |     cout << dinic(graph,0,v-1,inf) << endl;
      |             ~~~~~^~~~~~~~~~~~~~~~~
a.cc:49:3: note: declared here
   49 | W dinic(G &graph, int s, int t) {
      |   ^~~~~