Submission #3539112

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define NDEBUG
#include <cassert>

typedef long long ll;
typedef long double Double;
typedef unsigned long long ull;
typedef pair<int,int> ii;
typedef pair<ll,ll> llll;
typedef pair<double,double> dd;

typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ii> vii;
typedef vector<vector<ii>> vvii;
typedef vector<ll> vll;
typedef vector<string> vs;
typedef vector<double> vd;
typedef vector<long double> vD;

#define sz(a)  int((a).size())
#define pb  push_back
#define FOR(var,from,to) for(int var=(from);var<=(to);++var)
#define rep(var,n)  for(int var=0;var<(n);++var)
#define rep1(var,n)  for(int var=1;var<=(n);++var)
#define repC2(vari,varj,n)  for(int vari=0;vari<(n)-1;++vari)for(int varj=vari+1;varj<(n);++varj)
#define ALL(c)  (c).begin(),(c).end()
#define RALL(c)  (c).rbegin(),(c).rend()
#define tr(i,c)  for(auto i=(c).begin(); i!=(c).end(); ++i)
#define found(s,e)  ((s).find(e)!=(s).end())
#define mset(arr,val)  memset(arr,val,sizeof(arr))
#define mid(x,y) ((x)+((y)-(x))/2)
#define IN(x,a,b) ((a)<=(x)&&(x)<=(b))
#define cons make_pair

void solve(int N, int M, vi& P, vi& Y) {
    vi ans(M, -1);
    vector<vector<ii>> w(N + 1);
    rep(i, M) {
        w[P[i]].pb(ii(Y[i], i));
    }
    rep1(pref, N) {
        sort(ALL(w[pref]));
        for (int j = 0, c = w[pref].size(); j < c; ++j) {
            int city = w[pref][j].second;
            ans[city] = 1+j;
        }
    }
    rep(i, M) {
        printf("%06d%06d\n", P[i], ans[i]);
    }
}

int main() {
    int N, M; scanf("%d %d", &N, &M);
    vi P(M), Y(M);
    rep(i,M) scanf("%d %d", &P[i], &Y[i]);
    solve(N,M,P,Y);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:57:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     int N, M; scanf("%d %d", &N, &M);
                                     ^
./Main.cpp:59:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     rep(i,M) scanf("%d %d", &P[i], &Y[i]);
                                          ^

Judge Result