Submission #72336

#	Time	Username	Problem	Language	Result	Execution time	Memory
72336		유애나 (#118)	Chocolate Cookie Machine (FXCUP3_chocolate)	C++17	100 / 100	1343 ms	29328 KiB

chocolate

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

const int N = 300005;

int n, k, m, dan[N], lnk[N], ulnk[N], q, lc, ulc;
vector<int> e[N], r;

int main(){
    scanf("%d%d%d", &n, &k, &m);
    for(int x; k--; ){
        scanf("%d", &x);
        dan[x] = 1;
    }
    for(int x, y; m--; ){
        scanf("%d%d", &x, &y);
        if(dan[x] || dan[y]) continue;
        e[x].push_back(y);
        e[y].push_back(x);
    }
    scanf("%d ", &q);
    for(int x; q--; ){
        char buf[10];
        scanf("%*s%*s%d%*s%s", &x, buf);
        if(buf[0] == 'B'){
            if(dan[x]) continue;
            for(int i : e[x]) lnk[i]++;
            lc++;
        }
        else{
            for(int i : e[x]) ulnk[i]++;
            ulc++;
        }
    }
    for(int i = 1; i <= n; i++){
        if(ulc && (!dan[i] && lnk[i] == lc && !ulnk[i])) r.push_back(i);
        if(!ulc && (dan[i] || lnk[i] == lc)) r.push_back(i);
    }
    printf("%d\n", r.size());
    for(int i : r) printf("%d ", i);
    puts("");
    return 0;
}

Compilation message (stderr)

chocolate.cpp: In function 'int main()':
chocolate.cpp:39:28: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n", r.size());
                    ~~~~~~~~^
chocolate.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &k, &m);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
chocolate.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~
chocolate.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~
chocolate.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d ", &q);
     ~~~~~^~~~~~~~~~~
chocolate.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%*s%*s%d%*s%s", &x, buf);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 28 / 28
• Subtask 2: 55 / 55
• Subtask 3: 17 / 17