Submission #1174504

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174504	2025-03-27 03:37:57	sleepntsheep	Passport (JOI23_passport)	C11	0 / 100	0 ms	324 KiB

passport

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#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define N_ (3*N)
#define N 900005
#define M_ 99999990
int xx,n,q,rt,ii,head[N_],vv[M_],ww[M_],nxt[M_],jj,dp1[N_],dp2[N_],tt[N_+N_],*dp,dp3[N_];
void pul(int i){ tt[i]=tt[i*2+(dp[tt[i*2+1]]<dp[tt[i*2]])]; }
void fix(int i){ for(i+=ii;i/=2;)pul(i); }
void lnk(int v,int u,int w) {
    int i=++jj;
    ww[i]=w;
    vv[i]=v;
    nxt[i]=head[u];
    head[u]=i;
}
void lnk2(int v,int l,int r,int x,int y,int k) {
    if(r<x||y<l)return;
    if(x<=l&&r<=y){
        lnk(k,v,0);
        return;
    }
    int m=(l+r)/2,vr=v+2*(m-l+1);
    lnk2(v+1,l,m,x,y,k);
    lnk2(vr,m+1,r,x,y,k);
}
 
 
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Compilation message (stderr)

passport.c: In function 'main':
passport.c:62:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |     scanf("%d",&n);
      |     ^~~~~~~~~~~~~~
passport.c:66:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |         scanf("%d%d",&ll,&rr);
      |         ^~~~~~~~~~~~~~~~~~~~~
passport.c:96:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |     scanf("%d",&q);
      |     ^~~~~~~~~~~~~~
passport.c:97:15: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |     while(q--)scanf("%d",&xx),--xx,printf("%d\n",dp3[xx]>=1e9?-1:dp3[xx]);
      |               ^~~~~~~~~~~~~~~

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