Borderou de evaluare (job #720113)

Compilare: main.c: In function 'main': main.c:3:170: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 3 | FILE*fin;FILE*fout;int v[100001];int main(){fin = fopen("ciocolata.in","r");fout = fopen("ciocolata.out","w");int a,c,n,i,max=0,dusc,dif,j,min = 2000000;long long si,sm;fscanf(fin,"%d%d",&c,&n);if(c == 1){for(i = 0; i < n ;i++){fscanf(fin,"%d",&a);v[a]++;if(v[a] > max){max = v[a];dusc = a;}}fprintf(fout,"%d",dusc);}else if(c == 2){for(i = 0; i < n;i++)fscanf(fin,"%d",&v[i]);si = 0;sm = 0;j = n;for(i = 0; i < n ;i++){si += v[i];while(sm <= si && j >= i){sm+=v[j];j--;}j++;sm -= v[j];dif = si-sm;if(dif < min && sm != 0){min = dif;}}fprintf(fout,"%d",min);}return 0;} | ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:3:229: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 3 | FILE*fin;FILE*fout;int v[100001];int main(){fin = fopen("ciocolata.in","r");fout = fopen("ciocolata.out","w");int a,c,n,i,max=0,dusc,dif,j,min = 2000000;long long si,sm;fscanf(fin,"%d%d",&c,&n);if(c == 1){for(i = 0; i < n ;i++){fscanf(fin,"%d",&a);v[a]++;if(v[a] > max){max = v[a];dusc = a;}}fprintf(fout,"%d",dusc);}else if(c == 2){for(i = 0; i < n;i++)fscanf(fin,"%d",&v[i]);si = 0;sm = 0;j = n;for(i = 0; i < n ;i++){si += v[i];while(sm <= si && j >= i){sm+=v[j];j--;}j++;sm -= v[j];dif = si-sm;if(dif < min && sm != 0){min = dif;}}fprintf(fout,"%d",min);}return 0;} | ^~~~~~~~~~~~~~~~~~~ main.c:3:355: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 3 | FILE*fin;FILE*fout;int v[100001];int main(){fin = fopen("ciocolata.in","r");fout = fopen("ciocolata.out","w");int a,c,n,i,max=0,dusc,dif,j,min = 2000000;long long si,sm;fscanf(fin,"%d%d",&c,&n);if(c == 1){for(i = 0; i < n ;i++){fscanf(fin,"%d",&a);v[a]++;if(v[a] > max){max = v[a];dusc = a;}}fprintf(fout,"%d",dusc);}else if(c == 2){for(i = 0; i < n;i++)fscanf(fin,"%d",&v[i]);si = 0;sm = 0;j = n;for(i = 0; i < n ;i++){si += v[i];while(sm <= si && j >= i){sm+=v[j];j--;}j++;sm -= v[j];dif = si-sm;if(dif < min && sm != 0){min = dif;}}fprintf(fout,"%d",min);}return 0;} | ^~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/stdio.h:906, from main.c:1: In function 'fprintf', inlined from 'main' at main.c:3:293: /usr/include/bits/stdio2.h:79:10: warning: 'dusc' may be used uninitialized [-Wmaybe-uninitialized] 79 | return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 80 | __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~ main.c: In function 'main': main.c:3:129: note: 'dusc' was declared here 3 | FILE*fin;FILE*fout;int v[100001];int main(){fin = fopen("ciocolata.in","r");fout = fopen("ciocolata.out","w");int a,c,n,i,max=0,dusc,dif,j,min = 2000000;long long si,sm;fscanf(fin,"%d%d",&c,&n);if(c == 1){for(i = 0; i < n ;i++){fscanf(fin,"%d",&a);v[a]++;if(v[a] > max){max = v[a];dusc = a;}}fprintf(fout,"%d",dusc);}else if(c == 2){for(i = 0; i < n;i++)fscanf(fin,"%d",&v[i]);si = 0;sm = 0;j = n;for(i = 0; i < n ;i++){si += v[i];while(sm <= si && j >= i){sm+=v[j];j--;}j++;sm -= v[j];dif = si-sm;if(dif < min && sm != 0){min = dif;}}fprintf(fout,"%d",min);}return 0;} | ^~~~