Submission #66481

# Submission time Handle Problem Language Result Execution time Memory
66481 2018-08-10T20:01:23 Z hamzqq9 Ili (COI17_ili) C++14
49 / 100
247 ms 1512 KB
#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<ii,int>
#define sz(x) (x.size())
#define orta ((bas+son)>>1)
#define all(x) x.begin(),x.end()
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define pw(x) (1<<(x))
#define inf 1000000000
#define MOD 1000000007
#define N 10005
#define MAX 10000006
#define LOG 20
using namespace std;
 
struct cur {

	int val[N];

} now[2];

ii go[N];
int n,m;
char s[N],a[55];
 
int get_num(int bas,int son) {
 
	int res=0;
 
	for(int i=bas;i<=son;i++) {
 
		int dig=a[i]-'0';
 
		res=res*10+dig;
 
	}
 
	return res;
 
}
 
int parse() {
 
	int len=strlen(a+1);
 
	int add=(a[1]=='x'?0:n);
 
	return add+get_num(2,len);
 
}
 
bool check() {

	for(int i=n+m;i>=n+1;i--) {

		if(now[1].val[i]==0) {

			if(now[1].val[go[i].st]==1 || now[1].val[go[i].nd]==1) return false;

			now[1].val[go[i].st]=0; 
			now[1].val[go[i].nd]=0;

		}

	}

	for(int i=n+1;i<=n+m;i++) {

		if(now[1].val[go[i].st]==0 && now[1].val[go[i].nd]==0) {

			if(now[1].val[i]==1) return false;

			now[1].val[i]=0;

		}

	}

	return true;

}

int main() {
 
//	freopen("input.txt","r",stdin);
 
	scanf("%d %d",&n,&m);
 
	scanf("%s",s+1);
 
	for(int i=1;i<=m;i++) {
 
		scanf("%s",a+1);
 
		int node1=parse();
 
		scanf("%s",a+1);
 
		int node2=parse();
 
		go[n+i]={node1,node2};
 
	}
 	
	for(int i=1;i<=n;i++) {

		now[0].val[i]=2;

	}

	for(int i=n+1;i<=n+m;i++) {

		if(s[i-n]=='?') now[0].val[i]=2;
		else now[0].val[i]=s[i-n]-'0';

	}

 	for(int i=n+m;i>=n+1;i--) {

 		if(now[0].val[i]==0) {

 			now[0].val[go[i].st]=0;
			now[0].val[go[i].nd]=0;

 		}

 	}

 	for(int i=n+1;i<=n+m;i++) {

 		if(now[0].val[go[i].st]==0 && now[0].val[go[i].nd]==0) {

 			now[0].val[i]=0;

 		}

 	}

 	for(int i=n+1;i<=n+m;i++) {

 		if(now[0].val[i]==2) {

 			for(int j=1;j<=n+m;j++) now[1].val[j]=now[0].val[j];

 			now[1].val[i]=0;

 			if(!check()) {

 				now[0].val[i]=1;

 			}

 		}

 	}

 	for(int i=n+1;i<=n+m;i++) {

 		if(now[0].val[i]==2) printf("?");
 		else printf("%c",'0'+now[0].val[i]);

 	}
 
}

Compilation message

ili.cpp: In function 'int main()':
ili.cpp:95:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
ili.cpp:97:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s+1);
  ~~~~~^~~~~~~~~~
ili.cpp:101:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",a+1);
   ~~~~~^~~~~~~~~~
ili.cpp:105:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",a+1);
   ~~~~~^~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 440 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 672 KB Output is correct
6 Correct 2 ms 672 KB Output is correct
7 Correct 2 ms 680 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 440 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 672 KB Output is correct
6 Correct 2 ms 672 KB Output is correct
7 Correct 2 ms 680 KB Output is correct
8 Correct 3 ms 680 KB Output is correct
9 Correct 3 ms 680 KB Output is correct
10 Correct 3 ms 680 KB Output is correct
11 Correct 3 ms 680 KB Output is correct
12 Correct 3 ms 680 KB Output is correct
13 Correct 3 ms 696 KB Output is correct
14 Correct 3 ms 812 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 440 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 672 KB Output is correct
6 Correct 2 ms 672 KB Output is correct
7 Correct 2 ms 680 KB Output is correct
8 Correct 3 ms 680 KB Output is correct
9 Correct 3 ms 680 KB Output is correct
10 Correct 3 ms 680 KB Output is correct
11 Correct 3 ms 680 KB Output is correct
12 Correct 3 ms 680 KB Output is correct
13 Correct 3 ms 696 KB Output is correct
14 Correct 3 ms 812 KB Output is correct
15 Correct 40 ms 840 KB Output is correct
16 Correct 247 ms 912 KB Output is correct
17 Correct 220 ms 1140 KB Output is correct
18 Runtime error 73 ms 1512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Halted 0 ms 0 KB -